1. The term BCC in email stands for
A
Block Content Creation
B
Behind Content Copy
C
Blind Carbon Copy
D
Block Carbon Copy
In email terminology, BCC stands for Blind Carbon Copy.
When you send an email with recipients listed in the BCC field, those recipients receive a copy of the email, but their email addresses are not visible to other recipients. This helps maintain the privacy of the recipients email addresses.
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2. Which of the following devices is used to transmit data over the telecommunication lines?
A
CPU
B
Modem
C
i-HUB
D
Data buses
The device used to transmit data over telecommunication lines is a modem (modulator-demodulator).
A modem converts digital data from a computer or other digital device into analog signals suitable for transmission over telephone lines (or other communication channels), and it also converts incoming analog signals back into digital data that the receiving device can understand. Modems are essential for enabling communication between computers and networks over telephone lines or other wired communication channels.
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3. What is the full form of the term URL?
A
Unique Resource Locator
B
Uniform Resource Locator
C
Unique Record Locator
D
Uninterrupted Recovery Locator
The full form of URL is Uniform Resource Locator.
A URL is a reference or address used to locate resources on the internet. It specifies the protocol used to access the resource (such as HTTP, HTTPS, FTP), the domain name or IP address where the resource is located, and the specific location or path within the server where the resource resides.
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4. The processor of dividing the disk into tracks and sectors is known as
A
Formatting
B
Tracking
C
Crashing
D
Allotting
The process of dividing a disk into tracks and sectors is known as formatting.
Formatting involves preparing a storage medium, such as a hard disk or a floppy disk, for reading and writing data by dividing it into specific tracks (concentric circles) and sectors (pie-shaped divisions within each track). This division allows the operating system and file system to organize and access data efficiently on the disk.
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5. The keyboard shortcut to switch between displaying Excel formulas or their values in a cell
A
Ctrl + Shift + #
B
Ctrl + Shift + @
C
Ctrl + Shift + ~
D
Ctrl + Shift + &
The keyboard shortcut to switch between displaying Excel formulas or their values in a cell is:
Ctrl + ` (backtick or grave accent)
This shortcut toggles between displaying the formula in the cell and displaying the resulting value of the formula in Microsoft Excel.
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6. In PowerPoint, the objects on the slide to hold the text are called as
A
Text holders
B
Placehoders
C
Textbox
D
Auto Layouts
In PowerPoint, the objects on the slide that hold text are called text boxes. Text boxes are used to contain and display text within a slide. They can be resized, moved, formatted, and styled according to the design and layout requirements of the presentation.
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7. Keyboard shortcut to view the Slide Show
A
F5
B
Ctrl + S
C
S
D
F9
To view the Slide Show in Microsoft PowerPoint, you can use the following keyboard shortcuts:
These shortcuts work in most versions of Microsoft PowerPoint across different operating systems (Windows and macOS).
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8. Which one of the following is not a real-time operating system?
A
QNX
B
VxWorks
C
RTLinux
D
Palm OS
Palm OS is not a real-time operating system.
Palm OS, on the other hand, was an operating system developed by Palm, Inc., primarily for personal digital assistants (PDAs) and later smartphones. It was not designed as a real-time operating system.
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9. Which technology is particularly used in barcode wand reader and barcode slot reader?
A
Pen type reader
B
Laser Scanner
C
Camera based reader
D
QR code scanner
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10. Which of the following sections of the CPU is responsible for performing mathematical operations?
A
Control Unit
B
Arithmetic Logic Unit
C
Memory
D
Register Unit
The section of the CPU responsible for performing mathematical operations is the **Arithmetic Logic Unit (ALU)**.The ALU is a fundamental component of the CPU that executes arithmetic (addition, subtraction, multiplication, division) and logical (AND, OR, NOT) operations on data. It works in conjunction with the CPU`s control unit to process instructions and manipulate data according to the program`s requirements.
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11. Which of the following is not a programming language?
A
Java
B
HTML
C
Python
D
SQL
HTML is not a programming language.
HTML (Hypertext Markup Language) is a markup language used for creating and structuring web pages, but it is not considered a programming language as it does not have the ability to perform computations or algorithms.
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12. Which of the following is the world`s first supercomputer?
A
Fugaku
B
PARAM
C
CRAY-I
D
IBM-370
The CRAY-I, developed by Cray Research, Inc., was introduced in 1976 and is widely recognized as the first supercomputer. It was designed by Seymour Cray and marked a significant advancement in computing power and speed during its time.
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13. Which of the following is an absolute cell reference?
A
!A!1
B
$A$1
C
#A#1
D
A1
An absolute reference in Excel refers to a reference that is `locked` so that the rows and columns do not change when they are copied. It is represented by adding a `$` sign before the row and column.
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14. In MS Excel, Comments put in cells are called _______.
A
Smart Tip
B
Soft Tip
C
Web Tip
D
Cell Tip
Comments that are put in a cell in MS Excel are called Cell tips.
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15. What is Anti - Spyware software?
A
check files before they are loaded on the computer
B
Makes the files non-readable
C
Manages data traffic
D
It detects and removes programs installed ilegally on a user`s computer system
Anti-spyware software is a type of program designed to prevent and detect unwanted spyware program installations and to remove those programs if installed. Detection may be either rules-based or based on downloaded definition files that identify currently active spyware programs.
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16. _____ provides network backbone and e-governance support to government bodies in India.
A
NIC
B
NASSCOM
C
CII
D
MIETY
NIC provides network backbone and e-governance support to government bodies in India.
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17. The use of Information Technology (IT) to improve the ability of government to address the needs of the society is knows as
A
E-Business
B
E-Admin
C
E-Governance
D
E-Marketplace
The use of Information Technology (IT) to improve the ability of government to address the needs of society is known as e-governance.
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18. Which PowerPoint view displays each slide of the presentation as a thumbnail and is useful for rearranging slides?
A
Slide Master
B
Slide Show
C
Slide Sorter
D
Notes Page
Slide Sorter view Slide Sorter view gives you a view of your slides in thumbnail form. This view makes it easy for you to sort and organize the sequence of your slides as you create your presentation, and then also as you prepare your presentation for printing.
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19. The PowerPoint view that displays only text (title and bullets) is
A
Outline View
B
Notes page view
C
Slide sorter
D
Slide Show
Use Outline view to create an outline or story board for your presentation. It displays only the text on your slides, not pictures or other graphical items.
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20. What is a Firewall in Computer Network?
A
A Web browsing software
B
The physical boundary of Network
C
An OS of computer Network
D
A sytem designed to prevent unauthorized access
A Firewall is a network security device that monitors and filters incoming and outgoing network traffic based on an organization`s previously established security policies. At its most basic, a firewall is essentially the barrier that sits between a private internal network and the public Internet.
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21. To select the current column in MS Excel, we press
A
Ctrl + Enter
B
Ctrl + Spacebar
C
Ctrl + Shift
D
Shift + Enter
By clicking on the header, the entire column will be highlighted, indicating that it is selected. Alternatively, you can use a keyboard shortcut to select a whole column in Excel: Click on any cell within the column. Press Ctrl + Spacebar together.
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22. ____ shows how the contents on printed page will appear with margin, header and footer.
A
Page Layout
B
Draft
C
Full Screen reading
D
Outline
Page layout is the term used to describe how each page of your document will appear when it is printed.
In Word, page layout includes elements such as the margins, the number of columns, how headers and footers appear, and a host of other considerations.
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23. In the MAC address of a computer, MAC is an acronym for which of the following?
A
Media Access Control
B
Machine access Control
C
Media Accept Control
D
Media Address Control
A MAC address (media access control address) is a 12-digit hexadecimal number assigned to each device connected to the network.
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24. Each page of a Microsoft PowerPoint is called a ____.
A
plate
B
film
C
poster
D
slide
A slide is a single page of a presentation. Collectively, a group of slides may be known as a slide deck.
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25. Microphone is an example of which among the following?
A
Input device
B
Output device
C
Storage device
D
Network device
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26. In order to check spelling of a text in Microsoft PowerPoint, we press ____
A
F7
B
F1
C
F12
D
F5
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27. Shortcut for opening Help in Microsoft PowerPoint is
A
Ctrl + A
B
Shift + B
C
F1
D
F3
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28. Which of the following is not a hardware?
A
Monitor
B
Keyboard
C
Sound Card
D
Browser
Browser
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29. Microsoft PowerPoint is a ____
A
Word Processing Program
B
Spreadsheet Program
C
Presentation Program
D
All of these
Presentation Program
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30. What does CAD stand for?
A
Computer Animated Design
B
Complete Algorithm Debugger
C
Computer Aided Design
D
Complex Auxiliary Design
Computer Aided Design
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31. Which of these keys combination in Window Operating system is used as a shortcut for Save?
A
F1
B
Ctrl + Z
C
Ctrl + S
D
F12
Ctrl+S: Save the current file.
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32. Which of the following type of ink source is used in laser printer?
A
Ribbon ink
B
Toner
C
Ink Catridges
D
None of these
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33. What does the acronym stand for?
DPI
A
Dots Per Inch
B
Double Picture Interpretation
C
Dots Preview Interface
D
Data Pause Interval
Dots Per Inch
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34. Which of the following methods cannot be used to edit the content of cell?
A
Double clicking the cell
B
Pressing F2
C
Clicking the formula bar
D
Pressing the Esc key
Pressing the Esc key
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35. A Doughnut chart in Excel is similar to :
A
Bar Char
B
Scatter chart
C
Area chart
D
Pie chart
A donut chart is almost identical to a pie chart, but the center is cut out (hence the name donut). Donut charts are also used to show proportions of categories that make up the whole, but the center can also be used to display data.
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36. ____ shortcut key in MS Paint is used to show image properties
A
Ctrl + P
B
Ctrl + E
C
Shift + P
D
Alt + A
Use the keyboard shortcut CTRL+E to show the image properties. This shortcut helps you to change the attributes of the image such as height, width, color etc.
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37. Images are basically a collection of spots, each of which is known as ____.
A
cursor
B
pointer
C
pixel
D
count
pixel
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38. Which of the following is the process of converting message / data into a format (cipher text) that cannot be read by hacker?
A
Breaching
B
Encryption
C
Both Breaching and Encryption
D
None of these
Encryption is the method by which information is converted into secret code that hides the information`s true meaning. The science of encrypting and decrypting information is called cryptography. In computing, unencrypted data is also known as plaintext, and encrypted data is called ciphertext.
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39. Choose the correct alternative to fill in the blanks
a. _____ is used to mean that the copy of the memo will go to the person mentioned.
b. _____ goes to a person, who may not be directly involved, but who should know what is going on.
A
Carbon Copy, Blind Carbon Copy
B
Blind Carbon Copy, Blind Copy
C
Blind Carbon Copy, Carbon Copy
D
Carbon Copy, Blind Carbon Copy
Carbon Copy, Blind Carbon Copy
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40. Which of the following tools is not used for time management?
A
Calendars
B
To-Do Lists
C
Project tracking tools
D
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41. Which key is used to capture the entire screen of the computer?
A
Shift + Ctrl
B
Ctrl + V
C
Shift + Ctrl + W
D
Printscreen
Pressing PRINT SCREEN captures an image of your entire screen and copies it to the Clipboard in your computer`s memory. You can then paste (CTRL+V) the image into a document, email message, or other file.
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42. Which of the following is the full from of "WAN" ?
A
World Area Network
B
Whole Arithmetic Number
C
Wrong Array Network
D
Wide Area Network
Wide Area Network
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43. The complete syntax for TIME function in MS Excel is :
A
TIME(day, hour, min)
B
TIME(hour, min, sec)
C
TIME(hour, min, sec, ms)
D
TIME(hour, min, day)
TIME(hour, min, sec)
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44. Which of the following options is a web browser to access internet?
A
Microsoft Word
B
Google Chrome
C
Adobe Reader
D
Team Viewer
Google Chrome
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45. What is the term Soft indicates in Software?
A
All the computer languages are very soft in nature and product created using these languages are called as Software
B
Programs doesn`t create any noise during execution, unlike disk drives which is part of Hardware. So it is Software
C
Computer software can be changed easily by users as per their requirement and hence the term soft appearing in it
D
Most of the developers are soft in nature. Due to this reason the term soft is tagged in the product developed
Computer software can be changed easily by users as per their requirement and hence the term soft appearing in it
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46. Which one of the following is a standard mail protocol used to receive emails from a remote server to a local email client?
A
SMI
B
POP3
C
SNMP
D
UDP
Post Office Protocol version 3 (POP - 3) is a standard mail protocol used to receive emails from a remote server to a local email client.
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47. To control operations of a computer which of the following software is designed?
A
Application
B
System
C
Utility
D
User
System software is designed for controlling the operations of a computer system.
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48. Which of the following markup language is used to add effects to a web page?
A
XML
B
DHTML
C
C++
D
C Langauge
Dynamic HTML, or DHTML, is a term which was used by some browser vendors to describe the combination of HTML, style sheets and client-side scripts (JavaScript, VBScript, or any other supported scripts) that enabled creation of interactive and animated documents.
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49. What will happen to data in RAM when power goes off and computer shuts down?
A
Data is stored permanently in RAM and the data will not get erased from the memory
B
Data is retrieved from backup registers when power is restored and activity resumes normally
C
Data stored in RAM is lost when power goes off and it will have to be recreated
D
Data is recovered from Disaster Recovery Site and operation is continued with little disturbance
RAM stands for Random Access Memory and it is volatile. When you shut down your computer, RAM clears out and there is no data stored in it.
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50. Which device is used to perform the traffic directing functions on the Internet?
A
Bridge
B
Firewall
C
Router
D
Hub
A router is a networking device that forwards data packets between computer networks. Routers perform the traffic directing functions on the Internet.
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51. What is the number of bits of an IP address in IPV6 version?
A
32
B
64
C
128
D
256
All IPv6 addresses are 128 bits long, written as 8 sections of 16 bits each.
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52. Which of the following is an online discussion group where people can join a group and post messages in that group?
A
Exit polls
B
Photos and films
C
Forums
D
Editorials
A forum is a place, situation, or group in which people exchange ideas and discuss issues, especially important public issues. Members of the council agreed that it still had an important role as a forum for discussion
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53. In formatting an e-mail, care should be taken that ____ .
A
the reference number is mentioned
B
the original message is attached
C
the entire message is not written in capital letters
D
there are no attachements
the entire message is not written in capital letters
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54. Which of the following refers to a web address which uniquely identifies an object over the Internet?
A
DNS
B
URL
C
HOST
D
IP Address
A URL (Uniform Resource Locator) is a unique identifier used to locate a resource on the Internet. It is also referred to as a web address.
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55. _________ from the control panel have the settings related to the computer network.
A
Administrative Tools
B
Programs and features
C
Network and Sharing Center
D
Remote App Connections
Network and Sharing Center
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56. What is also known as Brain of computer?
A
CPU
B
Mouse
C
Monitor
D
Keyboard
CPU
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57. Which program is loaded first at the start of a computer?
A
Application Software
B
Operating System
C
Internet Connections
D
Network Connections
Operating System
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58. Websites such as Facebook and Twitter are classified as ________ sites.
A
Education
B
Social Media
C
E-commerce
D
News Media
Social Media
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59. Identify the input device.
A
Monitor
B
Plotter
C
Mouse
D
Printer
Mouse
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60. Each CPU has built in ability to execute a set of machine instructions, called its ______.
A
instruction length
B
instruction cycle
C
instruction set
D
instruction speed
An instruction is any task which is to be performed by the processor. Instructions are stored in the register. Instruction set is the set of machine instructions.
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61. The term shutdown on windows operating system refers to __________.
A
Turn off the Pc
B
Turn On the Pc
C
Restore the Pc
D
Restart the Pc
Turn off the Pc
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62. In MS Excel a group of cells is called _________.
A
Chart
B
PivotTable
C
Macro
D
Range
Range
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63. In MS Excel 2019, which of the following shortcut keys is used to bold the text of selected cell?
A
Ctrl + 5
B
Ctrl + 4
C
Ctrl + 3
D
Ctrl + 2
Ctrl + 2
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64. In MS Word, Spelling and Grammar button is available in ______ tab.
A
DEVELOPER
B
INSERT
C
OUTLINE
D
REVIEW
Review
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65. You can send an email to interested third parties while keeping the original recipients blind to that fact by adding them in _________ section.
A
Enc
B
Env
C
To
D
Bcc
Bcc
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66. The input device that can capture your voice is _________.
A
Web Cam
B
Microphone
C
USB Drive
D
Speaker
Microphone
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67. Where can you find the "Word Count" option in MS Word?
A
Review-Word Count
B
Reference-Word Count
C
Insert-Word Count
D
View-Word Count
Review-Word Count
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68. ______ provides backup power and saves the computer from turning off when there is a power failure.
A
PPT
B
SMPS
C
USB
D
UPS
UPS
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69. The device that can act as both input and output device is:
A
Touch screen
B
Keyboard
C
Trackball
D
Mouse
Touch screen
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70. Processor Management, Memory Management, File Management, Device Management are some of the functions of ____________
A
Dreamweaver
B
OS
C
PhotoShop
D
PageMaker
OS
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71. Control unit and arithmetic logic unit of a computer system are together known as ______.
A
Input Unit
B
Central Processing Unit
C
Output Unit
D
Memory Unit
Central Processing Unit
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72. In MS PowerPoint 2019, which of the following shortcut keys is used to open the replace dialog box?
A
Shift + R
B
Ctrl + H
C
Shift + H
D
Ctrl + R
Ctrl + H
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73. Which of the following is a file extension in MS PowerPoint 2019?
A
.ppa
B
.pna
C
.poa
D
.pja
.ppa
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74. The Internet works by using a protocol called __________.
A
XML
B
TCP/IP
C
URL
D
HTML
TCp/IP
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75. __________ is an impact printer.
A
Toy printer
B
Inkjet printer
C
Laser printer
D
Dot-matrix printer
Dot-matrix printee
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76. Which is a single-user Operating System?
A
Windows 2000
B
Windows 2007
C
MS-DOS
D
Windows 2010
MS-DOS
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77. ___________ is the process of finding and resolving bugs during the software development process.
A
Running
B
Debugging
C
Flowcharting
D
Simulating
Debugging
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78. In MS Excel, intersection of a row and a column is called _______.
A
Formula
B
Hyperlink
C
WordArt
D
Cell
Cell
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79. Memories that are Read only are ______.
A
ROM
B
RAM
C
SSD
D
HDD
ROM
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80. In MS Word 2019, which of the following shortcut keys is used to copy the selected formatting?
A
Alt + Shift + C
B
Ctrl + C
C
Ctrl + Alt + C
D
Ctrl + Shift + C
Ctrl + Shift + C
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81. In MS Excel 2019, which of the following shortcut keys is used to open the format cells dialog?
A
Ctrl + 1
B
Ctrl + 2
C
Ctrl + 3
D
Ctrl + 4
Ctrl + 1
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82. The most popular keyboard used today is _________.
A
Usual
B
Quick
C
QWERTY
D
AZERTY
QWERTY
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83. _______ button on windows explorer helps you make the window appear at its largest possible size.
A
Restore
B
Minimize
C
Close
D
Maximize
Maximize
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84. How will you mark a specific area of a sheet for printing in MS Excel?
A
Using Page Layout - Print Area
B
Using Data - Print Area option
C
Using Home - Print Area option
D
Using View - Print Area option
Using Page Layout - Print Area
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85. Identify the correct email address:
A
www.books.com
B
mybook12@books.com
C
https://books.com/mybook
D
books.com/mybook-info
mybook12@books.com
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86. Pressing the ______ key will make the PowerPoint in presentation mode.
A
F1
B
F5
C
F2
D
F7
F5
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87. The file extension of a Microsoft Word Template file is __________.
A
dotx
B
indd
C
xls
D
ppt
dotx
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88. What is DOS?
A
Disk Operating System
B
Device Operating System
C
Dual Operating System
D
Double Operating System
Disk Operating System
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Wrong Answered :
89. What is SMTP?
A
Simple Mail Transfer Protocol
B
Soft Mail Transfer Protocol
C
Safer Mail Transfer Protocol
D
Simple Message Transfer Protocol
Simple Message Transfer Protocol
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90. 95, 98, NT, XP are some of the versions of which Operating system?
A
Windows
B
DOS
C
Linux
D
Android
Windows
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91. Which among the following is a search engine?
A
MS Office
B
Adobe Reader
C
D
Photoshop
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92. In Windows 10 Operating system, __________ key combination opens the start buttons context menu.
A
Windows+C
B
Windows+O
C
Windows+X
D
Windows+M
Windows+X
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93. ______ is the brain of a computer system.
A
Input unit
B
Central processing unit
C
Memory unit
D
Output unit
Central processing unit
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94. What is the full name of the MS-DOS?
A
Mechanical DOS
B
Magnetic disk
C
Microsoft Disk Operating System
D
Mouse and driver Operating System
Microsoft Disk Operating System
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95. If you have to recover a deleted file ____________ item on the desktop can help you.
A
Recycle bin
B
Screensaver
C
Time indicator
D
My Computer
Recycle bin
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Wrong Answered :
96. ________ software helps you to protect your PC from viruses and malware.
A
Firefox
B
Java
C
WinZip
D
Antivirus
Antivirus
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Wrong Answered :
97. What is the full form of CRT in the context of display device?
A
Central Ray Tube
B
Crystal Ray Tube
C
Cathode Ray Tube
D
Circuit Ray Tube
Cathode Ray Tube
Correct Answered :
Wrong Answered :
98. What will the Themes do in MS Word?
A
Themes change only the font color of document
B
Themes change the overall design of entire document
C
Themes change only the background color of document
D
Themes change only the font style in the document
Themes change the overall design of entire document
Correct Answered :
Wrong Answered :
99. In MS Excel 2019, COUPDAYS is a /an ______ function.
A
statistical
B
engineering
C
database
D
financial
D
Correct Answered :
Wrong Answered :
100. __________ is a non-impact printer.
A
Inkjet printers
B
Toy printers
C
Rock and scissor
D
Dot-matrix printer
Inkjet printers
Correct Answered :
Wrong Answered :
101. What is Microsoft Windows?
A
It is a calculator
B
It is an Operating System
C
It is a database program
D
It is an open source program
It is an Operating System
Correct Answered :
Wrong Answered :
102. The file extension of a Microsoft PowerPoint presentation is ___.
A
PPT
B
MDB
C
XLS
D
DOCX
A
Correct Answered :
Wrong Answered :
103. In MS Excel 2019, which of the following shortcut keys is used to expand or collapse the ribbon?
A
Shift + F2
B
Shift + F1
C
Ctrl + F2
D
Ctrl + F1
D
Correct Answered :
Wrong Answered :
104. In MS Word 2019, which of the following shortcut keys is used to delete one word to the left?
A
Shift + Backspace
B
ALT + Backspace
C
Ctrl + Backspace
D
Shift + Delete
C
Correct Answered :
Wrong Answered :
105. OCR-A is the one of the standard form fonts of OCR. What is the full form of A?
A
Asian
B
Australian
C
African
D
American
D
Correct Answered :
Wrong Answered :
106. IP address consists of 4 numbers ranging from:
A
5 to 250
B
5 to 255
C
0 to 250
D
0 to 255
0 to 255
Correct Answered :
Wrong Answered :
107. 1 femtosecond = ______ second.
A
10-9
B
10-12
C
10-15
D
10-18
C
Correct Answered :
Wrong Answered :
108. In MS Excel 2019, which of the following shortcut keys is used to select an entire column in a worksheet?
A
Ctrl + Spacebar
B
Shift + Spacebar
C
Alt + Spacebar
D
Tab + Spacebar
Ctrl + Spacebar
Correct Answered :
Wrong Answered :
109. In MS Word 2019, which of the following shortcut keys is used to increase the font size by 1 point?
A
Ctrl + {
B
Ctrl + ]
C
Ctrl + [
D
Ctrl + }
Ctrl + ]
Correct Answered :
Wrong Answered :
110. Identify the domain name from http://www.ourcountry.in/home.aboutus.html
A
home
B
aboutus.html
C
http
D
ourcountry.in
D
Correct Answered :
Wrong Answered :
111. A ______ is an electromechanical device which is used to input alphanumeric data into a computer.
A
Joystick
B
Keyboard
C
Trackball
D
Mouse
Keyboard
Correct Answered :
Wrong Answered :
112. In MS PowerPoint 2019, which of the following shortcut keys is used to open the font dialog box?
A
Shift + T
B
Ctrl + F
C
Shift + F
D
Ctrl + T
Ctrl + T
Correct Answered :
Wrong Answered :
113. What is the full from of DSL?
A
Digital Sub connector Line
B
Digital Superior Line
C
Digital Subscriber Line
D
Digital Super Line
C
Correct Answered :
Wrong Answered :
114. Resolution is expressed in ______.
A
dots per pixel
B
dots per inch
C
dots per m
D
dots per cm
dots per inch
Correct Answered :
Wrong Answered :
115. What will Shift+F7 key do in MS Word?
A
Open Print Preview dialogue box
B
Open Thesaurus
C
Open MailMerge
D
Open Research
B
Correct Answered :
Wrong Answered :
116. The technology in your computer that helps you connect with the internet without a wired connection is _________.
A
Location
B
Wi-Fi
C
Bluetooth
D
Webcam
Wi-Fi
Correct Answered :
Wrong Answered :
117. In MS Excel 2019, DMAX is a ______ function.
A
database
B
date and time
C
statistical
D
financial
database
Correct Answered :
Wrong Answered :
118. ________ is a temporary storage location on your computer that holds the information that you copied.
A
Sticky notes
B
Clipart
C
Word art
D
Clipboard
D
Correct Answered :
Wrong Answered :
119. __________ is used to connect new peripheral devices such as speakers, memory devices, scanners.
A
Power Source
B
USB
C
Printer
D
DVD drive
USB
Correct Answered :
Wrong Answered :
120. ______ in Microsoft PowerPoint allows the user to see all the slides in the presentation in a single view.
A
Slide sorter view
B
Normal view
C
Notes page view
D
mage view
Slide sorter view
Correct Answered :
Wrong Answered :
121. Which type of operating system is UNIX
A
Mobile OS
B
Single-user
C
Multitasking
D
Single-tasking
Multitasking
Correct Answered :
Wrong Answered :
122. An excel file is called __________ and has an extension _________.
A
Workbook and .xls or .xlsx
B
Formula file
C
Notepad and .txt
D
Presentation and .ppt
Workbook and .xls or .xlsx
Correct Answered :
Wrong Answered :
123. The input device that captures the image or video into the computer is called ________.
A
Webcam
B
Scanner
C
Webpage
D
Printer
Webcam
Correct Answered :
Wrong Answered :
124. How many generations does the computer span?
A
5
B
3
C
2
D
1
5
Correct Answered :
Wrong Answered :
125. What is CC in email?
A
Central Copy
B
Carbon Copy
C
Center Copy
D
Core Copy
Carbon Copy
Correct Answered :
Wrong Answered :
126. In MS Excel 2019, which of the following shortcut keys is used to go to the view tab?
A
Alt + W
B
Ctrl + V
C
Alt + V
D
Ctrl + W
Alt + W
Correct Answered :
Wrong Answered :
127. __________ is the shortcut key to copy the selected content in a Word document.
A
Ctrl+A
B
Alt+C
C
Ctrl+C
D
Ctrl+B
Ctrl+C
Correct Answered :
Wrong Answered :
128. In MS Word 2019, which of the following shortcut keys is used to close the document
A
Ctrl + S
B
Ctrl + O
C
Ctrl + C
D
Ctrl + W
Ctrl + W
Correct Answered :
Wrong Answered :
129. ___________ refers to the process of rearranging the files on disk so that all data is adjoined.
A
Defragmentation
B
Disksorting
C
Deserialization
D
Diskfiltering
Defragmentation
Correct Answered :
Wrong Answered :
130. _________ option in Microsoft word, allows you to select the formatting information of a text and apply the same to another text.
A
Paste special
B
Copy
C
Copy Format
D
Format painter
Format painter
Correct Answered :
Wrong Answered :
131. Which type of operating system is UNIX?
A
Single-tasking
B
Mobile OS
C
Single-user
D
Multitasking
Multitasking
Correct Answered :
Wrong Answered :
132. ______ tool allows you to create standard calculations, formatting, and charts very quickly.
A
Formula trace tool
B
Quick analysis tool
C
Formula audit tool
D
Quick chart tool
Quick analysis tool
Correct Answered :
Wrong Answered :
133. __________ is an information storage and retrieval system that works on the same technologies as the Internet does, but is private inside a certain company.
A
Cloud
B
Data center
C
Sharepoint
D
Intranet
Intranet
Correct Answered :
Wrong Answered :
134. Which memory is an intermediate between RAM and processor?
A
EPROM
B
Cache memory
C
PROM
D
ROM
Cache memory
Correct Answered :
Wrong Answered :
135. Which short cut key is used to open the GO TO dialog box?
A
F2
B
F1
C
F8
D
F5
Opens the Go To dialog box (same as Ctrl + G).
Correct Answered :
Wrong Answered :
136. What will Ctrl+A do?
A
Move all items
B
Deselect all items
C
Copy all items
D
Select all items
Select all items
Correct Answered :
Wrong Answered :
137. Which of the following is an example for application software?
A
Windows XP
B
Unix
C
Ms Office
D
Windows Vista
Ms Office
Correct Answered :
Wrong Answered :
138. _______ are special codes that instruct Word to insert information into a document.
A
Signature
B
Object
C
Blocks
D
Fields
Fields
Correct Answered :
Wrong Answered :
139. ________ is an hand held device that acts like a mini computer which is used by Business professionals to access email and internet.
A
Barcode reader
B
PAGER
C
Mainframe
D
PDA
PDA
Correct Answered :
Wrong Answered :
140. To Shutdown Windows, you need to select _________ option from the Start menu and then select Shut down.
A
Power
B
Control Panel
C
Settings
D
Account
Power
Correct Answered :
Wrong Answered :
141. The Watch Window menu is present in the __________ tab.
A
Formulas
B
Data
C
Review
D
View
Formulas
Correct Answered :
Wrong Answered :
142. ________ can be reprogrammed. To erase data from it, expose it to ultra violet light. To reprogram it, erase all the previous data.
A
PROM
B
ROM
C
SDRAM
D
EPROM
EPROM
Correct Answered :
Wrong Answered :
143. Between receiving input and providing output, your computer will perform logical operation called ___________.
A
Memory Management
B
Processing
C
Storing
D
Programming
Processing
Correct Answered :
Wrong Answered :
144. ________ function in Excel, allows you to replace existing text with the new text in a given text string.
A
Exact
B
Concat
C
Substitute
D
Substr
Substitute
Correct Answered :
Wrong Answered :
145. _______ is a multiple of the unit byte for digital information which is one billion bytes.
A
Petabyte
B
Kilobyte
C
Terabyte
D
Gigabyte
Gigabyte
Correct Answered :
Wrong Answered :
146. ___________ is a blue arrow that shows the relationships between cells used in formulas in Excel.
A
Formula tracker
B
Cell tracer
C
Number tracer
D
Relationship tracker
Cell tracer
Correct Answered :
Wrong Answered :
147. Any information or data sent to a computer using mouse or keyboard, for further processing is considered as ________.
A
Output
B
Input
C
Store
D
Present
Input
Correct Answered :
Wrong Answered :
148. ________ is a form of broadband communication, which may use phone lines and fibreoptic cables for accessing internet.
A
HOTSPOT
B
DSL
C
SMTP
D
POP3
DSL
Correct Answered :
Wrong Answered :
149. In Microsoft Excel, __________ key combination can be used to display the formulas entered in a cell.
A
Ctrl key + ` symbol
B
Ctrl key + " symbol
C
Ctrl key + * symbol
D
Ctrl key + ) symbol
Ctrl key + ` symbol
Correct Answered :
Wrong Answered :
150. In Microsoft Excel, which short cut key will help you to enter a new line of text in the current cell location itself?
A
Ctrl key + N
B
Alt key + N
C
Ctrl key + Spacebar
D
Alt key + Enter key
Alt key + Enter key
Correct Answered :
Wrong Answered :
151. ___________ is firmware used to perform hardware initialization during the booting process (power-on startup), and to provide runtime services for operating systems and programs.
A
POST
B
MSDOS
C
BIOS
D
BASIC
BIOS
Correct Answered :
Wrong Answered :
152. __________ alignment allows you to distribute your text evenly between the margins.
A
Justify
B
Right
C
Left
D
Center
Justify
Correct Answered :
Wrong Answered :
153. _________ is any low-level programming language in which there is a very strong correspondence between the instructions in the language and the architecture`s machine code instructions.
A
Assembly Language
B
High level Language
C
Compiler Language
D
Machine Language
An assembly (or assembler) language, often abbreviated asm, is a low-level programming language for a computer, or other programmable device, in which there is a very strong (generally one to one) correspondence between the language and the architecture`s machine code instructions.
Correct Answered :
Wrong Answered :
154. _______ feature in Microsoft Excel automatically adjusts the cell reference when the formula is copied and paste into the rest of the cell.
A
Absolute reference
B
Consistent reference
C
Relative reference
D
Linked reference
Relative reference
Correct Answered :
Wrong Answered :
155. ___________ option in Microsoft Excel will let you pick from a list of rules to limit the type of data that can be entered in a cell.
A
Data import
B
Conditional formatting
C
Flash fill
D
Data validation
Data validation
Correct Answered :
Wrong Answered :
156. n outlook, to go to the beginning of the Calendar module and calendar items which short cut key is used?
A
Ctrl+Alt+F2
B
Shift+Tab
C
Alt+Home
D
Alt+Page Up
Alt+Home
Correct Answered :
Wrong Answered :
157. ________ icon on the address bar indicates that the website is a secure site.
A
Lens
B
Padlock
C
Exclamation
D
Star
Padlock
Correct Answered :
Wrong Answered :
158. What do you mean by the term Boot?
A
The process of getting the computer repaired.
B
The process of getting the computer shutdown.
C
The process of getting the computer started.
D
The process of getting the computer upgraded.
The process of getting the computer started.
Correct Answered :
Wrong Answered :
159. _________ is a standard network protocol used for the transfer of computer files between a client and server on a computer network.
A
SNPF
B
SMTP
C
UTP
D
FTP
FTP
Correct Answered :
Wrong Answered :
160. Where are the files stored permanently?
A
In the RAM
B
In the Monitor
C
In the Hard Disk
D
In the Scanner
In the Hard Disk
Correct Answered :
Wrong Answered :
161. ________ command helps you to includes all original recipients in the response also.
A
Reply all
B
Forward
C
Reply
D
Draft
Reply all
Correct Answered :
Wrong Answered :
162. How will you edit the active cell in excel?
A
F4
B
F2
C
F3
D
F1
F2
Correct Answered :
Wrong Answered :
163. Magnetic tape, CD and DVD are ________ type of storage devices.
A
Database
B
Tertiary
C
Network
D
Primary
Tertiary
Correct Answered :
Wrong Answered :
164. The lowest level of computer programming language is __________.
A
High level language
B
Machine language
C
Artificial language
D
Low level language
The lowest level of the computer language is machine language or machine code, which includes binary code.
Correct Answered :
Wrong Answered :
165. In which layer of the OSI model , encryption is processed?
A
Physical
B
Presentation
C
Session
D
Application
Presentation
Correct Answered :
Wrong Answered :
166. How will you move to the begining of the worksheet?
A
Ctrl+shift+Home
B
Shift+Home
C
Ctrl+Home
D
Alt+Home
Ctrl+Home
Correct Answered :
Wrong Answered :
167. The level of detail in a printer image is called __________.
A
Print orientation
B
Print color
C
Print resolution
D
Print depth
Print resolution
Correct Answered :
Wrong Answered :
168. In Windows 10 Operating system, __________ key combination opens Cortana in text mode, so you can type in the search bar.
A
Windows+S
B
Windows+O
C
Windows+C
D
Windows+R
Windows + S = opens Cortana in text mode
Widows + C = opens Cortana in speech mode
Correct Answered :
Wrong Answered :
169. Which device is used in computers of third generation in place of transistor?
A
Capacitance
B
Electronic circuits
C
Integrated circuits
D
Resistance
C
Correct Answered :
Wrong Answered :
170. The most common pointing device in the laptop computer is:
A
Stylus
B
Touchpad
C
Joystick
D
Pointer
B
Correct Answered :
Wrong Answered :
171. _______ used packet switching to allow multiple computers to communicate on a single network
A
NSFNET
B
NWGNET
C
ARPANET
D
RPANET
C
Correct Answered :
Wrong Answered :
172. Full form of GUI :
A
General User Input
B
Group User Instruction
C
Graphical User Instruction
D
Graphical User Interface
D
Correct Answered :
Wrong Answered :
173. LINUX launched its Operating System in the year:
A
1991
B
1990
C
1980
D
1989
A
Correct Answered :
Wrong Answered :
174. How can we execute the Machine language?
A
It cannot be executed
B
We use special assembler
C
It can be executed using separate machine
D
It can be directly executed by CPU
D
Correct Answered :
Wrong Answered :
175. Which of the following devices is ONLY an input device?
A
Computer Monitor
B
Speaker
C
USB flash drive
D
Computer Keyboard
D
Correct Answered :
Wrong Answered :
176. Which of the following device can act as both input and output device?
A
Projector
B
Microphone
C
Keyboard
D
USB flash drive
D
Correct Answered :
Wrong Answered :
177. The _______ key is used to print a word document.
A
Ctrl+p
B
Ctrl+s
C
Ctrl+l
D
Ctrl+v
A
Correct Answered :
Wrong Answered :
178. Which of the following is NOT a mobile operating system?
A
Symbian OS
B
Bada
C
Mojave
D
Android
C
Correct Answered :
Wrong Answered :
179. Rahul wants to insert a picture in his PowerPoint presentation. He has saved the picture in a folder. What is the next step that Rahul must do to insert the picture?
A
In the Insert tab, click Object
B
In the Insert tab, click Online Pictures
C
In the Insert tab, click Media
D
In the Insert tab, click Pictures
D
Correct Answered :
Wrong Answered :
180. Website is a collection of ________________.
A
Memory chips
B
Charts
C
Word documents
D
HTML documents
D
Correct Answered :
Wrong Answered :
181. Which of the following options is NOT a Web browser?
A
Microsoft Edge
B
Opera
C
Google Chrome
D
Intel Core
D
Correct Answered :
Wrong Answered :
182. In computer parlance, WAN stands for __________.
A
Watched (monitored) Area Network
B
Wide Area Network
C
Wired Area Network
D
Wireless Area Network
B
Correct Answered :
Wrong Answered :
183. ________ is a resource allocation and deadlock avoidance algorithm.
A
Elevator algorithm
B
Banker`s algorithm
C
Karn`s algorithm
D
Round Robin Algorithm
B
Correct Answered :
Wrong Answered :
184. __________ is the process of verifying whether someone (or something) is, in fact, who (or what) it is declared to be.
A
Authentication
B
Login
C
Logout
D
Access
A
Correct Answered :
Wrong Answered :
185. What tab in Microsoft Power Point will you choose to explore the Backstage view so that you can manage saving presentations and opening new ones?
A
design tab
B
save tab
C
file tab
D
insert tab
C
Correct Answered :
Wrong Answered :
186. SRAM stands for:
A
Static Random Access Memory
B
Standard Random Access Memory
C
Special Random Access Memory
D
Stabe Random Access Memory
A
Correct Answered :
Wrong Answered :
187. The Floppy sign (icon) in the File tab of MS Office is used for performing the _______ function.
A
copy
B
paste
C
cut
D
save
D
Correct Answered :
Wrong Answered :
188. In which algorithm, the process has a fixed time called quantum for its execution?
A
Round Robin Scheduling
B
Multiple Level Queue Scheduling
C
Priority Based Scheduling
D
Shortest Remaining Time
A
Correct Answered :
Wrong Answered :
189. In MS Word, to view multiple pages which of the following steps are followed
A
View ->Show/Hide group -> Document Map->select page->click ok
B
View->Arrange Page->Page dialog box -> select no of pages-> click ok
C
View tab>Windows group> group dialog->Many pages >select page->click ok
D
View >zoom > Zoom dialog box> Many pages option> select the no.of pages>click ok
190. ________ is a system program in operating system designed to aid programmer in finding corresponding errors or bugs to identify the cause of the problem.
A
Debugger
B
Web browser
C
Device manager
D
Defragmenter
Debugger
Correct Answered :
Wrong Answered :
191. _______ Layout view in Microsoft Word, lets you see what your document would look like as a web page.
A
Web Layout View
B
Internet View
C
Outlook View
D
Print Layout View
Web Layout View
Correct Answered :
Wrong Answered :
192. ______ programming language was developed by team of programmers at IBM led by John Backus in 1954
A
FORTRON
B
BASIC
C
GUI
D
COBOL
FORTRON
Correct Answered :
Wrong Answered :
193. Combining the contents of selected adjacent cells into a single cell in excel can be done using __________ function
A
SPLIT
B
GROUP
C
MERGE
D
CONCAT
CONCAT
Correct Answered :
Wrong Answered :
194. In a CRT monitor the smallest number of phosphor dots that the gun can focus on is called _____
A
Mask
B
Crystal
C
Aspect Ratio
D
Pixel
Pixel
Correct Answered :
Wrong Answered :
195. Which tool in the Home tab aligns text to both left and right margins adding extra space between words
A
Centre
B
Justify
C
Sort
D
Line Spacing
Justify
Correct Answered :
Wrong Answered :
196. ______ refers to software or technology which people can modify and share because its design is publicly accessible
A
Vendor singed
B
Proprietary
C
Closed Source
D
Open Source
Open Source
Correct Answered :
Wrong Answered :
197. The term broadband commonly refers to high-speed Internet access, which of the following is NOT a type of broadband Internet connection?
A
Cable Modem
B
DSL
C
Dial up
D
Satellite
Dial up
Correct Answered :
Wrong Answered :
198. Which among the following is an example for an Non-impact printer?
A
Daisy Wheel
B
Inkjet
C
Band
D
Dot Matrix
Inkjet
Correct Answered :
Wrong Answered :
199. _____ technology allows you to translate the image scanned into text that you can edit.
A
Optical picture recognition
B
Optical character response
C
Optical character recognition
D
Optical imaging response
Optical character recognition
Correct Answered :
Wrong Answered :
200. ____ is a single chip that contains more than one microprocessor core, in which each core can simultaneously execute instructions.
A
Static Processor
B
Unicore Processor
C
Multi-core Processor
D
Dualcore processor
Multi-core Processor
Correct Answered :
Wrong Answered :
201. In MS Office, Word Spelling and Grammar button is available in ______ tab.
A
REVIEW
B
DEVELOPER
C
INSERT
D
OUTLINE
REVIEW
Correct Answered :
Wrong Answered :
202. _________ key combination on Windows operating system opens the File explorer.
A
Windows+F
B
Windows+E
C
Windows+R
D
Windows+O
Windows+E
Correct Answered :
Wrong Answered :
203. How will you select continuous cells in excel?
A
Tab+arrow keys
B
Shift+arrow keys
C
Alt+arrow keys
D
Ctrl+arrow keys
Shift+arrow keys
Correct Answered :
Wrong Answered :
204. The list of reference or source which is consulted or cited in creating the document can be displayed using the feature called ___________.
A
Synonyms
B
Bibliography
C
Hint
D
Autography
Bibliography
Correct Answered :
Wrong Answered :
205. Which of the following functions is used to determine the number of workdays between two dates?
A
EDATE
B
DAYS360
C
WORKDAY
D
NETWORKDAYS
NETWORKDAYS
Correct Answered :
Wrong Answered :
206. __________ is a cut-out on a floppy disk that determines whether a disk is writable or not.
A
Write-protect notch
B
Input notch
C
Access notch
D
Entry notch
Write-protect notch
Correct Answered :
Wrong Answered :
207. _________ checks that the basic system devices like Keyboard, RAM, Hdd etc., are present and working properly.
A
Power On Hardware Test
B
Power On Self Test
C
Power On Pre Test
D
Power On Unit Test
Power On Self Test
Correct Answered :
Wrong Answered :
208. Which part of the computer interprets and executes software instructions?
A
Plotter
B
Monitor
C
Printer
D
CPU
CPU
Correct Answered :
Wrong Answered :
209. How to send your slide as image in powerpoint?
A
File->save Picture as
B
File -> Edit
C
File->save as
D
File -> insert
File->save as
Correct Answered :
Wrong Answered :
210. Which among the following internet connection types is delivered through your landline telephone?
A
Satellite
B
Wireless Hotspot
C
4G network
D
DSL
DSL
Correct Answered :
Wrong Answered :
211. __________ short cut key is used to open the download pane in web browser.
A
Ctrl + J
B
Ctrl +D
C
Ctrl + H
D
Ctrl + Shift + D
Ctrl + J
Correct Answered :
Wrong Answered :
212. ________ is any value or expression that can be evaluated to True or False.
A
Choice_expression
B
Logical_test
C
Result_expression
D
Cell_expression
Logical_test
Correct Answered :
Wrong Answered :
213. __________ option in Microsoft Excel allows you to make a portion of the sheet to be visible while you scroll through the rest of the sheet.
A
Freeze Layout
B
Freeze Pages
C
Freeze Window
D
Freeze Panes
Freeze Panes
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Wrong Answered :
214. Which of the following is a structured programming technique that graphically represents the detailed steps required to solve a program?
A
Flowchart
B
Procedural model
C
Pseudocode
D
Object oriented
Flowchart
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Wrong Answered :
215. How are Clock speeds expressed?
A
Bytes
B
Bits
C
Megahertz
D
Nibbles
Megahertz
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Wrong Answered :
216. A computer motherboard has independent signal paths to send electronic back and forth among its various components is called _______.
A
CMOS
B
Bays
C
Buses
D
Flash memory
Buses
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Wrong Answered :
217. The Smart look up option which gets more information on calculation like percentage, is available under_______ ribbon.
A
Page Layout
B
Insert
C
Review
D
Data
Review
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Wrong Answered :
218. _________ option in Microsoft word, allows you to add or build your own mathematical formulas.
A
Comment
B
Formula
C
Citation
D
Equation
Equation
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219. ______ is used to provide network connections for devices like computers and servers.
A
NIC card
B
PC card
C
Sound card
D
Dialup card
NIC card
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220. _________ follow the fetch, decode and execute steps in their operation, as specified by the instructions in the program.
A
Memory Unit
B
RAM
C
Motherboard
D
CPU
CPU
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221. A disk`s content that cannot be electronically modified after the manufacture of the memory device is called a __________ disk.
A
Write only
B
Read only
C
Run only
D
Memory only
Read only
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227. What is the full form of MIS in context of information systems?
A
Master Information System
B
Market Information System
C
Manager Information System
D
Management Information System
229. ______ allows a computer to interact with peripheral hardware device such as printer, scanner.
A
Productivity software
B
Educational software
C
Driver software
D
Media development software
232. In MS Word 2019, which of the following shortcut keys is used to move the cursor up by one paragraph?
A
Shift + Up arrow key
B
Shit + Left arrow key
C
Ctrl + Left arrow key
D
Ctrl + Up arrow key
239. ______ attempts all the possible permutation-combination of letters, numbers and special characters for cracking the password.
A
Hybrid attack
B
Dictionary attack
C
Brute force attack
D
Salami attack
240. In MS Excel 2019, COUPDAYS is a ______ function
A
engineering
B
financial
C
statistical
D
database
financial
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242. Prior to their transmission the information signal and the carrier signal are combined and the process of combining these two signals is called ___
A
modulation
B
demodulation
C
amplification
D
distortion
244. In computer devices, ______ devices are used for providing the input to computer by moving the device to point to a location on computer monitor
A
positioning
B
pointing
C
printing
D
pinning
245. What is the full form of ISDN in context of data transmission services?
A
Integrated Switched Dial Network
B
Internal Switched Dial Network
C
Internal Services Digital Network
D
Integrated Services Digital Network
248. What is the full form of TPS in context of information systems?
A
Travel Program System
B
Trivial Program System
C
Transaction Processing System
D
Transaction Play System
249. Which software is used to divide an individual drive into multiple logical drives, each with its own file system?
A
File manager
B
Disk space analyser
C
Disk partition editor
D
Disk compression
254. ____ is an unauthorised realtime interception or monitoring of private communication between two entities over a network.
A
DoS
B
Spoofing
C
DDoS
D
Eavesdropping
An eavesdropping attack, also known as a sniffing or snooping attack, is a theft of information as it is transmitted over a network by a computer, smartphone, or another connected device.
The attack takes advantage of unsecured network communications to access data as it is being sent or received by its user.
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259. ___ attack involves altering raw data just before it is processed by a computer and then changing it back after the processing is completed
A
Web Jacking
B
Salami Attack
C
Data diddling
D
Internet time theft
266. What is the full form of CBIS in context of information systems?
A
Computer Based Information System
B
Computer Biased Information System
C
Controller Based Information System
D
Central Basic Information System
281. What is the minimum and maximum zoom size in MS PowerPoint 2019?
A
5 percent and 400 percent
B
10 percent and 400 percent
C
5 percent and 500 percent
D
10 percent and 500 percent
287. _ is a collection of people, procedures, software, databases and devices that supports problem specific decision making
A
Domain specific system
B
Domain support system
C
Decision support system
D
Decision supply system
291. Which of the following is a logical order of system architecture?
A
Hardware, application software, system software, user
B
Hardware, user, system software, application software
C
Hardware, system software, application software, user
D
Hardware, user, application software, system software
295. In ______ transmission, a communication system groups characters into blocks and then adds a header trailer to each block to convert it into a frame
A
half duplex
B
synchronous
C
simplex
D
asynchronous
296. What is the full form of FDM in context of multiplexing technique
A
Frequency Duplex Multiplexing
B
Frequency Double Multiplexing
C
Frequency Division Multiplexing
D
Frequency Divide Multiplexing
299. A ______ is a non-impact printer which uses a laser beam to produce an image on a negatively charged cylindrical drum.
A
chain
B
drum
C
inkjet
D
laser
A laser printer uses a combination of the laser beam and electrophotographic techniques. Laser printing is an electrostatic digital printing process. It produces high-quality text and graphics by repeatedly passing a laser beam back and forth over a negatively charged cylinder called a "drum" to define a differentially charged image. The drum then selectively collects electrically charged powdered ink (toner), and transfers the image to paper, which is then heated in order to permanently fuse the text, imagery, or both. As with digital photocopiers, laser printers employ a xerographic printing process.
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304. Which software are used to clean and optimize the windows registry by deleting the old registry keys that are no longer in use?
A
Space cleaner
B
Registry cleaner
C
Disk cleaner
D
Window cleaner
320. A magnetic tape has data recording density of 90000 bytes per inch. It has a tape speed of 200 inches per second. What is its data transfer rate (approximately)?
A
90 MB per second
B
135 MB per second
C
180 MB per second
D
45 MB per second
339. Seek time is _____
A
time for data reading
B
time taken for desired sector of the track to come under read/write head
C
time taken to move the read/write head to desired track
D
time for data transfer
346. Electronic systems that transfer data from one point to another are called ___
A
data collecting system
B
data communication system
C
data storage system
D
data controlling system
358. What is the full form of PSTN in context of networks?
A
Public Signal Telephone Network
B
Personal Switched Telephone Network
C
Private Switched Telephone Network
D
Public Switched Telephone Network
359. Rotational speed of a magnetic disk is 3600 rpm. It can transfer 128 kilobytes data in one full revolution. What is the transfer rate?
A
128 kb/sec
B
7680 kb/sec
C
1280 kb/sec
D
3840 kb/sec
361. In case of operational amplifiers, the term CMRR stands for ______.
A
Collector mode real ratio
B
Common mode random ratio
C
Collector mode rejection ratio
D
Common mode rejection ratio