Operating System Questions

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171.

____ is the operating systems File and folder Manager

A

Windows Explorer

B

Windows Control Panel

C

My Computer

D

My Documents

Correct Answer: A

File Explorer, previously known as Windows Explorer, is a file manager application that is included with releases of the Microsoft Windows operating system from Windows 95 onwards. It provides a graphical user interface for accessing the file systems.

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172.

It is used to explorer the contents of computer, drives as well as manage files

A

Recent Places

B

My Document

C

My Computer

D

My Network Place

Correct Answer: B

My Documents is the commonly recognized name of a special folder in Microsoft Windows This folder is supposed to be a personal area where users store their personal non-shared documents.

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173.

The necessary conditions needed before deadlock can occur?

A

No Mutual Exclusion, Hold and wait, Preemption, Circular Wait

B

Mutual Exclusion, No Hold and wait, Preemption, Circular Wait

C

Mutual Exclusion, Hold and wait, No Preemption, Circular Wait

D

Mutual Exclusion, Hold and wait, Preemption, No Circular Wait

Correct Answer: C

None.

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174.

The OS used to operate the mobile phone is a

A

Smart card OS

B

Embedded OS

C

Multiuser OS

D

None of above

Correct Answer: B

None.

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175.

UNIX operating system is a(n)

A

Time sharing operating system

B

Multi-user operating system

C

Multi-tasking operating system

D

All of the above

Correct Answer: D

None.

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176.

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

A

Multitasking

B

Multiprocessing

C

Multioperating

D

Multipaging

Correct Answer: A

In computing, multitasking is the concurrent execution of multiple tasks over a certain period of time. New tasks can interrupt already started ones before they finish, instead of waiting for them to end.

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177.

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

A

8

B

9

C

11

D

255

Correct Answer: C

Disk label name can be up to 11 characters

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178.

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

A

Single level implementation

B

Two level implementation

C

Multi level implementation

D

None

Correct Answer: B

None.

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179.

The modern keyboard typically has __________ Function keys.

A

10

B

12

C

14

D

16

Correct Answer: B

The modern keyboard typically has 12 Function keys. F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12

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180.

Essential files of MS DOS are

A

Command.com

B

Io.sys

C

Msdos.sys

D

All of above

Correct Answer: D

None.

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