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

Macintosh computer uses

Question # 2

In which of the following usually a front end processor is used.

Question # 3

Which operating system use write through catches.

Question # 4

Remote computing services involves the use of.

Question # 5

Scissoring enables

Question # 6

Distributed systems should.

Question # 7

Multiprogramming system

Question # 8

The system calls in UNIX is written using which language.

Question # 9

Which command gives the first byte where the difference is in the file 1 & file2

Question # 10

Which operating system reacts in the acutal time.

Question # 11

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

Question # 12

Which command is used to know the LINUX version.

Question # 13

For multiprogramming operating system.

Question # 14

Default permissions of file can be changed with.

Question # 15

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

Question # 16

Reference bit is used for

Question # 17

Which one shows the name of the operating system.

Question # 18

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

Question # 19

Which command is concerned with LINUX kernel log messages.

Question # 20

What is the meaning of SVR 4

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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 Problem of thrashing is affected significantly by
A. Program structure
B. Program size
C. Primary storage size
D. All of above
3 Semaphores are used to solve the problem of.
A. Race condition
B. Process synchronization
C. Mutual exclusion
D. Belady problem
4 By which of following the problem of thrashing is significantly affected.
A. Program size
B. Program structure
C. Primary storage
D. Secondary strorage
5 Which is the most important for Multi taskiing.
A. Modularity
B. Time sharing
C. Multi programming
D. Multi user
6 Belady anomaly occurs in.
A. LIFO
B. FIFO
C. LRU
D. NRU
7 Which command is used to record a user login session in a file.
A. script
B. Record
C. Copy
D. Session
8 Which of the following is always there in a computer.
A. Batch system
B. Operating system
C. Time sharing system
D. Controlling system
9 The part of machine level instruction which tells the central processor what has to be done is.
A. Operation code
B. Address
C. Locator
D. Flip flop
10 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

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