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

Multiprogramming system

Question # 2

Which technique is used by operating systems to execute several program concurrently by switching back and forth.

Question # 3

Seek analysis is for.

Question # 4

Which one is true.

Question # 5

Spooling most beneficial where

Question # 6

Which of the following does not interrupt an running process.

Question # 7

Which is signal user operating system.

Question # 8

File record length

Question # 9

Dirty bit is used ot show

Question # 10

Which operating system use write through catches.

Question # 11

Memory protection is normally done by

Question # 12

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

Question # 13

Which command is used to know the LINUX version.

Question # 14

What are the global locks.

Question # 15

Which type of software can be used to merge data of two files in one files.

Question # 16

What is property of UNIX.

Question # 17

If two files on same partition point to the same inode structure they are called.

Question # 18

What control character signals the end of the input file.

Question # 19

Shortest job First executes first the job.

Question # 20

Semaphores are used to solve the problem of.

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 The system calls in UNIX is written using which language.
A. Java
B. C
C. C++
D. Assembly
2 Which command is used to copy files.
A. cp
B. copy
C. mv
D. move
3 All the abbreviations is vi editor can be shown by
A. All
B. ab
C. atat
D. ashow
4 Printer in the file structure can be found in.
A. /etc
B. /html
C. /www
D. /dev
5 Which of the following does not interrupt an running process.
A. A device
B. Timer
C. Scheduler process
D. Power failure
6 Which among following is considered as super daemon.
A. Sysinit
B. Grep
C. Init
D. Locate
7 What is the meaning of SVR 4
A. System five release 4
B. System version release 4
C. System five relocated 4
D. Storage files five release 4
8 Which is signal user operating system.
A. MS-DOS
B. UNIX
C. XENIX
D. LINUX
9 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
10 Which command is used to extract a column from a text file.
A. get
B. tar
C. untar
D. cut

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