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 used to set terminal input output characteristics

Question # 2

Which command is used to copy files.

Question # 3

Banker's algorithm deals with

Question # 4

File inode number can be viewed by.

Question # 5

Remote computing services involves the use of time sharing and

Question # 6

How many links are created when we create a directory file.

Question # 7

Seek analysis is for.

Question # 8

In vi editor which command sets the number for all lines.

Question # 9

A thread is.

Question # 10

Which command is used to determine the path of an executable file.

Question # 11

What is the name of values that are automatically provided by software to reduce keystrokes.

Question # 12

Which among following is considered as super daemon.

Question # 13

Distributed systems should.

Question # 14

Which scheduling policy is most suitable for time shared operating system.

Question # 15

Scissoring enables

Question # 16

Reference bit is used for

Question # 17

File record length

Question # 18

Which among following scheduling algorithms give minimum average waiting time.

Question # 19

A high paging rate

Question # 20

Which operating system use write through catches.

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 A series of statements explaining how the data is to be processed is called.
A. Instruction
B. Compiler
C. Program
D. Interpretor
2 What is meaning of ILP32
A. 32 bit integrated Long & Pointer
B. 32 bit integer long & pointer
C. 32 bit integer Long & Point
D. 32 bit integer , Lost & pointer
3 The system calls in UNIX is written using which language.
A. Java
B. C
C. C++
D. Assembly
4 Which of following need a device driever.
A. Cache
B. Disk
C. Main memory
D. Registers
5 Four necessary conditions for dead lock are none pre emption circular wait and
A. Mutual exclusion
B. Race condition
C. Buffer overflow
D. None of above
6 All the abbreviations is vi editor can be shown by
A. All
B. ab
C. atat
D. ashow
7 Macintosh computer uses
A. System 7.0
B. AU/X
C. Xenix
D. None
8 Which command in LINUX is used for description any command.
A. Help
B. Man
C. Detail
D. Short detail
9 Which of the following does not interrupt an running process.
A. A device
B. Timer
C. Scheduler process
D. Power failure
10 Which command can be used to know the present working directory.
A. pad
B. pww
C. pwd
D. pdd

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