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

By which of following the problem of thrashing is significantly affected.

Question # 2

A thread is.

Question # 3

Seek analysis is for.

Question # 4

By which command content of a file can be searched.

Question # 5

Multiprogramming system

Question # 6

Which operating system use write through catches.

Question # 7

Tee command is used in LINUX for.

Question # 8

Which command is used to set terminal input output characteristics

Question # 9

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

Question # 10

Problem of thrashing is affected significantly by

Question # 11

File record length

Question # 12

What is the command that can print lines of first file matching with second file.

Question # 13

Disk scheduling includes decinding

Question # 14

Dijkstra's algorithm deals with

Question # 15

Which is the most important for Multi taskiing.

Question # 16

which option of 'grep' displays the line number as well.

Question # 17

Distributed system should.

Question # 18

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

Question # 19

Distributed systems should.

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 of the following memory allocation scheme is subject to external fragmentation.
A. Segmentation
B. Swapping
C. Demand paging
D. Multiple contiguous fixed partitions
2 Belady anomaly occurs in
A. Optimal replacement
B. FIFO
C. LRU
D. Both in FIFO and LRU
3 What the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer users productivity.
A. Defined values
B. Fixed values
C. Default values
D. None of the above
4 Remote computing services involves the use of.
A. Multi processing
B. Multi programming
C. Batch processing
D. Real time processing
5 What is the command that can print lines of first file matching with second file.
A. Printline
B. cmp
C. com
D. comn
6 How applications communicates with kernel.
A. Not disclosed by linux team
B. SSL
C. System calls
D. Shell
7 Dijkstra's algorithm deals with
A. Mutual exclusion
B. Dead lock avoidance
C. Dead lock recovery
D. Real time processing
8 All device files are stored in which directory.
A. /etc
B. /dev
C. /www
D. /html
9 Which is the most important for Multi taskiing.
A. Modularity
B. Time sharing
C. Multi programming
D. Multi user
10 Which operating system reacts in the acutal time.
A. Batch system
B. Quick response system
C. Real time system
D. Time sharing system

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