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1. Which printer consist of tiny nozzles and as the paper moves, nozzles spray ink on it, forming characters and images?

A

drum

B

chain

C

laser

D

Inkjet

2. Which of the following is a European standard font for OCR?

A

OCR – B

B

OCR – C

C

OCR – D

D

OCR – A

3. Which of the following is the fourth step of SDLC?

A

Testing and debugging

B

Maintenance

C

System analysis and design

D

Deployment

4. ______ port transmits one bit of data through a single wire and is used to connect external modems, plotters etc.

A

Serial

B

Glass

C

Number

D

VDU

5. How many function keys are there in a QWERTY keyboard?

A

8

B

12

C

10

D

9

6. 1 petabytes = ______ bytes.

A

1015

B

109

C

1012

D

1018

7. 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

8. PLL stands for ______.

A

Phase Locked Logic

B

Phase Locked Loop

C

Primary Locked Loop

D

Primary Logic Loop

9. 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

10. 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

11. What is the full form of DDL in database management System?

A

Domain Definition Language

B

Data Demand Language

C

Data Destination Language

D

Data Definition Language

12. ______ allow data entry into a computer by processing a set of keys.

A

Keyboard device

B

OCR device

C

Point-and-draw devices

D

Image scanner

13. 1 picosecond = ______ seconds.

A

10-6

B

10-15

C

10-9

D

10-12

14. ______ is a software code intentionally included into a system with the intention to harm the system

A

Spyware

B

Firmware

C

Malware

D

Adware

15. Which input device is used to convert bitmap images of characters to equivalent ASCII code?

A

Barcode Device

B

MICR Device

C

OMR Device

D

OCR Device

16. What is the shortcut key to expand or collapse the ribbon in MS-powerpoint?

A

Ctrl+F4

B

Ctrl+F1

C

Ctrl+F2

D

Ctrl+F3

17. What is the full form of OSS?

A

OPEN SIGNAL SOFTWARE

B

OPEN SOURCE SOFTWARE

C

OPEN STORE SOFTWARE

D

OPEN SYSTEM SOFTWARE

18. What is the function of Ctrl+O in the MS-Word?

A

Create a document

B

Open the document

C

Close the document

D

Save the document

19. What is the full form of ALU?

A

Analog Logic Unit

B

Alternate Logic Unit

C

Algorithmic Logic Unit

D

Arithmetic Logic Unit

20. In which year domain name system was introduced?

A

1983

B

1987

C

1981

D

1984