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

A high paging rate

Question # 2

A hardware device which is capable of executing a sequence of instructions, is known as.

Question # 3

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

Question # 4

All the abbreviations is vi editor can be shown by

Question # 5

Which command is used to know the LINUX version.

Question # 6

Which command is used to record a user login session in a file.

Question # 7

What is meaning of ILP32

Question # 8

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

Question # 9

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

Question # 10

Seek analysis is for.

Question # 11

A thread is.

Question # 12

Problem of thrashing is affected significantly by

Question # 13

Which is non pre emptive

Question # 14

Remote computing services involves the use of time sharing and

Question # 15

if the CPU scheduling policy is FCFS then what would be average waiting time.

Question # 16

Which of the following is always there in a computer.

Question # 17

Printer in the file structure can be found in.

Question # 18

Which command is used to set terminal input output characteristics

Question # 19

In which scheduling policies context switching never takes place

Question # 20

Which command in LINUX is used for description any command.

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 Which of the following is always there in a computer.
A. Batch system
B. Operating system
C. Time sharing system
D. Controlling system
2 What communication command provides communication to another user logged on by writing to the bottom of their terminal
A. Chat
B. Talk
C. Write
D. Sending
3 Which is signal user operating system.
A. MS-DOS
B. UNIX
C. XENIX
D. LINUX
4 File record length
A. Should be chosen to match the data characteristics
B. Should be fixed
C. Should be variable
D. Vary system to system
5 Remote computing services involves the use of.
A. Multi processing
B. Multi programming
C. Batch processing
D. Real time processing
6 Which command can be used to know the present working directory.
A. pad
B. pww
C. pwd
D. pdd
7 which option of 'grep' displays the line number as well.
A. -n
B. -i
C. -d
D. -al
8 Which is the most important for Multi taskiing.
A. Modularity
B. Time sharing
C. Multi programming
D. Multi user
9 Problem of thrashing is affected significantly by
A. Program structure
B. Program size
C. Primary storage size
D. All of above
10 Poor response times are caused by
A. Busy processor
B. High I/O rate
C. High paging rates
D. any of above

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