Which of the following is an application software?

• Ms.Word

• Android

• Windows

• Linux

Firewall in computer is used for

• data transmission

• security

• authentication

• monitoring

Mac Operating System is developed by which company

• IBM

• Apple

• Microsoft

• Samsung

.gif is an extension of

• audio file

• word file

• image file

• video file

In computer world , Trojan refers to

• Virus

• Malware

• Worm

• Spyware

What is the extension type of the Excel files

• .mdb

• .ppt

• .doc

• .xls

The basic units of Excel spreadsheet where we enter data is called

• tab

• box

• cell

• none of the above

Which of the combination below is used to close an open application in Windows machine ?

• Alt + F8

• Ctrl + X

• Alt + F4

• Shift + P

Total number of function keys on a computer keyboard.

• 10

• 12

• 14

• 8

Linux is an example of

• application software

• operating system

• utilities

• none of the above