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

Belady anomaly occurs in.

Question # 2

In real time OS, which is most suitable scheduling scheme.

Question # 3

Fragmentation of a file system.

Question # 4

Which LINUX command is used to update the modification time of a file.

Question # 5

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

Question # 6

Which among following is considered as super daemon.

Question # 7

A thread is.

Question # 8

Distributed systems should.

Question # 9

To avoid the race condition the number of process that may be simultaneously inside the critical section is

Question # 10

Tee command is used in LINUX for.

Question # 11

Distributed system should.

Question # 12

Which of following need a device driever.

Question # 13

A high paging rate

Question # 14

What is the name of values that are automatically provided by software to reduce keystrokes.

Question # 15

Which process is known for initializing a microcomputer with its OS.

Question # 16

Which scheduling policy is best suited for time sharing operating system.

Question # 17

Which among the following is used to write small program to control Linux Functionalities.

Question # 18

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

Question # 19

What is the meaning of SVR 4

Question # 20

Creating a job queue is a function of

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 All the abbreviations is vi editor can be shown by
A. All
B. ab
C. atat
D. ashow
2 Which of the following memory allocation scheme is subject to external fragmentation.
A. Segmentation
B. Swapping
C. Demand paging
D. Multiple contiguous fixed partitions
3 What the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer users productivity.
A. Defined values
B. Fixed values
C. Default values
D. None of the above
4 Fragmentation of a file system.
A. Occurs only is file is not used properly
B. Can always the prevented
C. Happens in all file systems.
D. Can be removed by conmpaction
5 Solaris is product of.
A. IBP
B. IBM
C. Microsoft
D. Sun microsystmes
6 Banker's algorithm deals with
A. Dead lock prevention
B. Dead lock avoidance
C. Dead look recovery
D. Mutual exclusion
7 Distributed systems should.
A. Meet time constraints
B. Aim better resource sharing
C. Aim better system utilization
D. Aim low system overhead
8 Which among the following is used to write small program to control Linux Functionalities.
A. Shell commands
B. Shell script
C. C
D. Java
9 Which command is used to copy files.
A. cp
B. copy
C. mv
D. move
10 How many links are created when we create a directory file.
A. 1
B. 2
C. 3
D. 4

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