Operating System MCQs

Question 1

UNIX operating system is a(n)

Accepted Answer

All of the above

Answer

Time sharing operating system

Answer

Multi-user operating system

Answer

Multi-tasking operating system

Question 2

The ability of an operating system to control the activities of multiple program at the same time is called

Accepted Answer

Multitasking

Answer

Multiprocessing

Answer

Multioperating

Answer

Multipaging

Question 3

Disk label name can be up to ...... characters

Accepted Answer

11

Answer

8

Answer

9

Answer

255

Question 4

...... is used in operating system to separate mechanism from policy

Accepted Answer

Two level implementation

Answer

Single level implementation

Answer

Multi level implementation

Question 5

The modern keyboard typically has __________ Function keys.

Accepted Answer

12

Answer

10

Answer

14

Answer

16

Question 6

Essential files of MS DOS are

Accepted Answer

All of above

Answer

Command.com

Answer

Io.sys

Answer

Msdos.sys

Question 7

Which Operating System doesn't support long file names?

Accepted Answer

MS-DOS

Answer

OS / 2

Answer

Windows 95

Answer

Windows NT

Question 8

We need system files to run

Accepted Answer

MS Dos

Answer

MS Word

Answer

MS Excel

Answer

MS Access

Question 9

What is the function of folder?

Accepted Answer

All of the above

Answer

Save files

Answer

Delete files

Answer

Move files