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

Shortest job First executes first the job.

Question # 2

What the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer users productivity.

Question # 3

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

Question # 4

A high paging rate

Question # 5

What are the global locks.

Question # 6

What is meaning of ILP32

Question # 7

Creating a job queue is a function of

Question # 8

Which command is LINUX is concerned with backup.

Question # 9

Semaphores are used to solve the problem of.

Question # 10

A series of statements explaining how the data is to be processed is called.

Question # 11

Re location bits used by relocating loader are a pacified by

Question # 12

In which scheduling policies context switching never takes place

Question # 13

Belady anomaly occurs in

Question # 14

Which command is used to set terminal input output characteristics

Question # 15

Which among following is considered as super daemon.

Question # 16

Which one is true.

Question # 17

Which is signal user operating system.

Question # 18

Which among following scheduling algorithms give minimum average waiting time.

Question # 19

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

Question # 20

What communication command provides communication to another user logged on by writing to the bottom of their terminal

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 Which command is used to record a user login session in a file.
A. script
B. Record
C. Copy
D. Session
2 Re location bits used by relocating loader are a pacified by
A. Relocating loader
B. Assembler
C. Translator
D. Linker
3 Which operating system use write through catches.
A. UNIX
B. XENIX
C. ULTRIX
D. DOS
4 Which command changes a files group owner
A. chmod
B. chgrp
C. chown
D. chgrep
5 What is property of UNIX.
A. Multi user
B. Multi processes
C. Multi tasking
D. All of above
6 Which among following scheduling algorithms give minimum average waiting time.
A. FCFS
B. SJF
C. Round rabin
D. On priority
7 If two files on same partition point to the same inode structure they are called.
A. Soft links
B. Hard links
C. Copy links
D. similar links
8 File can have.
A. Read access
B. Write access
C. Copy access
D. All of above
9 which option of 'grep' displays the line number as well.
A. -n
B. -i
C. -d
D. -al
10 Distributed system should.
A. High security
B. Have better resource sharing
C. Better system utilization
D. Low system overhead

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