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

00:00
Question # 1

Main function of shared memory is.

Question # 2

Fragmentation of a file system.

Question # 3

Which is not a valid file type in LINUX.

Question # 4

Which of the following memory allocation scheme is subject to external fragmentation.

Question # 5

What the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer users productivity.

Question # 6

Which is signal user operating system.

Question # 7

Distributed systems should.

Question # 8

Size of virtual memory depends on

Question # 9

How applications communicates with kernel.

Question # 10

Which command reads the content of another file in vi editor .

Question # 11

Remote computing services involves the use of time sharing and

Question # 12

Which command is used to set limits on file size.

Question # 13

Which among following is considered as super daemon.

Question # 14

Distributed system should.

Question # 15

Which of the following is always there in a computer.

Question # 16

Which one is true.

Question # 17

Which is the most important for Multi taskiing.

Question # 18

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

Question # 19

Reference bit is used for

Question # 20

All the abbreviations is vi editor can be shown by

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 File can have.
A. Read access
B. Write access
C. Copy access
D. All of above
2 In real time OS, which is most suitable scheduling scheme.
A. Round robin
B. FCFS
C. Pre-emptive scheduling
D. Random scheduling
3 What is the meaning of SVR 4
A. System five release 4
B. System version release 4
C. System five relocated 4
D. Storage files five release 4
4 Which among following scheduling algorithms give minimum average waiting time.
A. FCFS
B. SJF
C. Round rabin
D. On priority
5 Seek analysis is for.
A. Paging issues
B. Device busy problems
C. Control unit busy problems
D. All of above
6 Multiprogramming system
A. Are easier to develop than signal programming system.
B. Execute each job faster
C. Execute more jobs in the same time
D. Are used only on large main frame computers.
7 Which is signal user operating system.
A. MS-DOS
B. UNIX
C. XENIX
D. LINUX
8 What is the maximum number of processes that may enter simultaneously inside the critical section to avoid race condition.
A. One
B. Two
C. Three
D. Four
9 A series of statements explaining how the data is to be processed is called.
A. Instruction
B. Compiler
C. Program
D. Interpretor
10 Kernel minimizes the frequency of disk access by keeping a pool of internal data buffer which helps to increase the response time this is known as.
A. Buffer cache
B. Spooling
C. Pooling
D. Virtual memory

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