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

A high paging rate

Question # 2

Solaris is product of.

Question # 3

Which command changes a files group owner

Question # 4

In the shell , by default all variables are considered and stored as.

Question # 5

To display disk consumption of a specific directory which command is used.

Question # 6

Macintosh computer uses

Question # 7

Which command is used to set terminal input output characteristics

Question # 8

Multiprogramming system

Question # 9

Fragmentation of a file system.

Question # 10

When did IBM released the first version of its disk operating system DOS version 1.0

Question # 11

Dynamic allocation of storage areas with VSAM files is accomplished by

Question # 12

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

Question # 13

Daisy chain is a device for

Question # 14

Main function of shared memory is.

Question # 15

What is the meaning of SVR 4

Question # 16

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

Question # 17

Which command is LINUX is concerned with backup.

Question # 18

Size of virtual memory depends on

Question # 19

What are the global locks.

Question # 20

Dijkstra's algorithm deals with

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 By which of following the problem of thrashing is significantly affected.
A. Program size
B. Program structure
C. Primary storage
D. Secondary strorage
2 All the abbreviations is vi editor can be shown by
A. All
B. ab
C. atat
D. ashow
3 Size of virtual memory depends on
A. Size of data bus
B. Size of address bus
C. Size of main memory
D. None of above
4 Which process is known for initializing a microcomputer with its OS.
A. Cold booting
B. Boot recording
C. Booting
D. Warm booting
5 Banker's algorithm deals with
A. Dead lock prevention
B. Dead lock avoidance
C. Dead look recovery
D. Mutual exclusion
6 How applications communicates with kernel.
A. Not disclosed by linux team
B. SSL
C. System calls
D. Shell
7 In the shell , by default all variables are considered and stored as.
A. Integer
B. String
C. Float
D. Chracter
8 A thread is.
A. Lightweight process where the context switching is low
B. Lightweight process where the context switching is high
C. Used to speed up paging
D. Used in dead locks
9 In which of the following usually a front end processor is used.
A. Virtual storage
B. Time sharing
C. Multi programming
D. Multi heading
10 Daisy chain is a device for
A. Connecting a number of controllers to a device
B. Connecting a number of device to a controller
C. all of above
D. None of above

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