A

10^-9

B

10^-12

C

10^-15

D

10^-18

A

5 to 250

B

5 to 255

C

0 to 250

D

0 to 255

A

Asian

B

Australian

C

African

D

American

A

Shift + Backspace

B

ALT + Backspace

C

Ctrl + Backspace

D

Shift + Delete

A

Shift + F2

B

Shift + F1

C

Ctrl + F2

D

Ctrl + F1

A

PPT

B

MDB

C

XLS

D

DOCX

A

It is a calculator

B

It is an Operating System

C

It is a database program

D

It is an open source program

A

Inkjet printers

B

Toy printers

C

Rock and scissor

D

Dot-matrix printer

A

statistical

B

engineering

C

database

D

financial

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

A

Central Ray Tube

B

Crystal Ray Tube

C

Cathode Ray Tube

D

Circuit Ray Tube

A

Firefox

B

Java

C

WinZip

D

Antivirus

A

Recycle bin

B

Screensaver

C

Time indicator

D

My Computer

A

Mechanical DOS

B

Magnetic disk

C

Microsoft Disk Operating System

D

Mouse and driver Operating System

A

Input unit

B

Central processing unit

C

Memory unit

D

Output unit

A

Windows+C

B

Windows+O

C

Windows+X

D

Windows+M

A

MS Office

B

Adobe Reader

C

Google

D

Photoshop

A

Windows

B

DOS

C

Linux

D

Android

A

Simple Mail Transfer Protocol

B

Soft Mail Transfer Protocol

C

Safer Mail Transfer Protocol

D

Simple Message Transfer Protocol

A

Disk Operating System

B

Device Operating System

C

Dual Operating System

D

Double Operating System