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

Distributed system should.

Question # 2

All device files are stored in which directory.

Question # 3

What is the meaning of SVR 4

Question # 4

Dijkstra's algorithm deals with

Question # 5

By which command content of a file can be searched.

Question # 6

Size of virtual memory depends on

Question # 7

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

Question # 8

For multiprogramming operating system.

Question # 9

Which operating system use write through catches.

Question # 10

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

Question # 11

Remote computing services involves the use of.

Question # 12

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

Question # 13

Which command in LINUX is used for description any command.

Question # 14

Disk scheduling includes decinding

Question # 15

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

Question # 16

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

Question # 17

How applications communicates with kernel.

Question # 18

Which command is used to set limits on file size.

Question # 19

Fragmentation of a file system.

Question # 20

Semaphores are used to solve the problem of.

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 Solaris is product of.
A. IBP
B. IBM
C. Microsoft
D. Sun microsystmes
2 File can have.
A. Read access
B. Write access
C. Copy access
D. All of above
3 Problem of thrashing is affected significantly by
A. Program structure
B. Program size
C. Primary storage size
D. All of above
4 How many links are created when we create a directory file.
A. 1
B. 2
C. 3
D. 4
5 Which is non pre emptive
A. Round robin
B. FIFO
C. MS
D. MSF
6 Which command is used to know the LINUX version.
A. Uname
B. Vname
C. Iname
D. s name
7 Which of the following memory allocation scheme is subject to external fragmentation.
A. Segmentation
B. Swapping
C. Demand paging
D. Multiple contiguous fixed partitions
8 For multiprogramming operating system.
A. Special support from processor is essential
B. Special support from processor is not essential
C. Cache memory is essential
D. None of abvoe
9 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
10 Shortest job First executes first the job.
A. With the least processor needs
B. That first entered the queue
C. That has been in the queue for the longest
D. That last entered the queue

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