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

00:00
Question # 1

Which is the most important for Multi taskiing.

Question # 2

File can have.

Question # 3

Poor response times are caused by

Question # 4

Which command is concerned with LINUX kernel log messages.

Question # 5

Solaris is product of.

Question # 6

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

Question # 7

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

Question # 8

Which command is used to know the LINUX version.

Question # 9

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

Question # 10

Which command is used to set limits on file size.

Question # 11

Kernel minimizes the frequency of disk access by keeping a pool of internal data buffer which helps to increase the response time this is known as.

Question # 12

Main function of shared memory is.

Question # 13

Memory protection is normally done by

Question # 14

Which is signal user operating system.

Question # 15

Banker's algorithm deals with

Question # 16

Belady anomaly occurs in.

Question # 17

Which is not a valid file type in LINUX.

Question # 18

Reference bit is used for

Question # 19

Dijkstra's algorithm deals with

Question # 20

For multiprogramming operating system.

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 Spooling most beneficial where
A. Jobs are I/O bound
B. Jobs are CPU bound
C. Jobs are evenly divided as I/O bound are CPU bond
D. All of above
2 When did IBM released the first version of its disk operating system DOS version 1.0
A. 1981
B. 1982
C. 1983
D. 1984
3 Creating a job queue is a function of
A. Spooler
B. Interpolator
C. Complier
D. Drive
4 Which is the most important for Multi taskiing.
A. Modularity
B. Time sharing
C. Multi programming
D. Multi user
5 Which is not a valid file type in LINUX.
A. Socket
B. FIFO
C. Soft link
D. Inode
6 Which of the following memory allocation scheme is subject to external fragmentation.
A. Segmentation
B. Swapping
C. Demand paging
D. Multiple contiguous fixed partitions
7 Which command in LINUX is used for description any command.
A. Help
B. Man
C. Detail
D. Short detail
8 Which one shows the name of the operating system.
A. U name -n
B. Uname -I
C. U name - m
D. U name -o
9 Which one is true.
A. The linkage editor is used to edit program which have to later link together.
B. The linkage editor links object module during compling
C. The linkage editor links objects modules and resolves external reference between them before loading.
D. None of above
10 Which operating system use write through catches.
A. UNIX
B. XENIX
C. ULTRIX
D. DOS

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