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

Creating a job queue is a function of

Question # 2

What are the global locks.

Question # 3

Spooling most beneficial where

Question # 4

Multiprogramming system

Question # 5

What is meaning of ILP32

Question # 6

Which of the following does not interrupt an running process.

Question # 7

Which of the following memory allocation scheme is subject to external fragmentation.

Question # 8

Remote computing services involves the use of.

Question # 9

Which command is used to extract a column from a text file.

Question # 10

Poor response times are caused by

Question # 11

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

Question # 12

Seek analysis is for.

Question # 13

In vi editor which command sets the number for all lines.

Question # 14

What is the command that can print lines of first file matching with second file.

Question # 15

Which command can be used to know the present working directory.

Question # 16

Which among following is considered as super daemon.

Question # 17

Daisy chain is a device for

Question # 18

Re location bits used by relocating loader are a pacified by

Question # 19

File can have.

Question # 20

Which command is used to set limits on file size.

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 File can have.
A. Read access
B. Write access
C. Copy access
D. All of above
2 Which is the most important for Multi taskiing.
A. Modularity
B. Time sharing
C. Multi programming
D. Multi user
3 Which process is known for initializing a microcomputer with its OS.
A. Cold booting
B. Boot recording
C. Booting
D. Warm booting
4 Belady anomaly occurs in.
A. LIFO
B. FIFO
C. LRU
D. NRU
5 Disk scheduling includes decinding
A. Which should be accessed next
B. Order in which disk access requests must be serviced
C. The physical location of the file
D. the logical location of the file
6 Main function of shared memory is.
A. To use primary memory efficiently
B. To do intra process communication
C. All of above
D. None
7 Default permissions of file can be changed with.
A. Group
B. Chperm
C. chmod
D. Chall
8 What control character signals the end of the input file.
A. Ctrl + s
B. Ctrl + z
C. Ctrl + w
D. Ctrl + d
9 Distributed system should.
A. High security
B. Have better resource sharing
C. Better system utilization
D. Low system overhead
10 If two files on same partition point to the same inode structure they are called.
A. Soft links
B. Hard links
C. Copy links
D. similar links

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