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

Which command is LINUX is concerned with backup.

Question # 2

Memory protection is normally done by

Question # 3

Problem of thrashing is affected significantly by

Question # 4

Disk scheduling includes decinding

Question # 5

Which command is used to set terminal input output characteristics

Question # 6

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

Question # 7

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

Question # 8

Which of the following is always there in a computer.

Question # 9

Which command in vi editor command is used to copy the current line of the file.

Question # 10

What is property of UNIX.

Question # 11

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

Question # 12

Which operating system reacts in the acutal time.

Question # 13

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

Question # 14

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

Question # 15

Distributed systems should.

Question # 16

Daisy chain is a device for

Question # 17

A thread is.

Question # 18

Which command in LINUX is used for description any command.

Question # 19

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

Question # 20

Which among following is considered as super daemon.

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 File inode number can be viewed by.
A. -8
B. -1
C. -a
D. -t
2 All the abbreviations is vi editor can be shown by
A. All
B. ab
C. atat
D. ashow
3 Which command is used to extract a column from a text file.
A. get
B. tar
C. untar
D. cut
4 Belady anomaly occurs in
A. Optimal replacement
B. FIFO
C. LRU
D. Both in FIFO and LRU
5 How applications communicates with kernel.
A. Not disclosed by linux team
B. SSL
C. System calls
D. Shell
6 A series of statements explaining how the data is to be processed is called.
A. Instruction
B. Compiler
C. Program
D. Interpretor
7 Problem of thrashing is affected significantly by
A. Program structure
B. Program size
C. Primary storage size
D. All of above
8 Which command reads the content of another file in vi editor .
A. erd
B. ex
C. r
D. read
9 Macintosh computer uses
A. System 7.0
B. AU/X
C. Xenix
D. None
10 Which among following is considered as super daemon.
A. Sysinit
B. Grep
C. Init
D. Locate

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