PPSC Computer Science Topic 19 MCQ's Test Preparation

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MCQ's Test For PPSC Computer Science Topic 19 Operating System

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PPSC Computer Science Topic 19 Operating System

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Question # 1

if the CPU scheduling policy is FCFS then what would be average waiting time.

Question # 2

In which of the following usually a front end processor is used.

Question # 3

Which one shows the name of the operating system.

Question # 4

Dijkstra's algorithm deals with

Question # 5

Which command is used to copy files.

Question # 6

Remote computing services involves the use of time sharing and

Question # 7

Spooling most beneficial where

Question # 8

The part of machine level instruction which tells the central processor what has to be done is.

Question # 9

What is meaning of ILP32

Question # 10

Daisy chain is a device for

Question # 11

Re location bits used by relocating loader are a pacified by

Question # 12

Four necessary conditions for dead lock are none pre emption circular wait and

Question # 13

What are the global locks.

Question # 14

How many links are created when we create a directory file.

Question # 15

Which is signal user operating system.

Question # 16

Which command is used to determine the path of an executable file.

Question # 17

A thread is.

Question # 18

Distributed systems should.

Question # 19

What is the maximum number of processes that may enter simultaneously inside the critical section to avoid race condition.

Question # 20

Which command is LINUX is concerned with backup.

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 Remote computing services involves the use of time sharing and
A. Multiprocessing
B. Interactive processing
C. Batch processing
D. Real time processing
2 Tee command is used in LINUX for.
A.
Read from an input and write to a standard output and file.
B. Read from an input
C. Write to an output
D. None of above
3 Which command is used to know the LINUX version.
A. Uname
B. Vname
C. Iname
D. s name
4 All the abbreviations is vi editor can be shown by
A. All
B. ab
C. atat
D. ashow
5 Which command is used to copy files.
A. cp
B. copy
C. mv
D. move
6 Which command is used to set limits on file size.
A. U limit
B. Alimit
C. dlimit
D. wilmit
7 When did IBM released the first version of its disk operating system DOS version 1.0
A. 1981
B. 1982
C. 1983
D. 1984
8 Which command is used to set terminal input output characteristics
A. Atty
B. stty
C. dtty
D. itty
9 File can have.
A. Read access
B. Write access
C. Copy access
D. All of above
10 Which process is known for initializing a microcomputer with its OS.
A. Cold booting
B. Boot recording
C. Booting
D. Warm booting

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