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

Dynamic allocation of storage areas with VSAM files is accomplished by

Question # 2

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

Question # 3

Which of following is not an advantage of multiprogramming.

Question # 4

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

Question # 5

Which of the following is always there in a computer.

Question # 6

Distributed systems should.

Question # 7

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

Question # 8

A high paging rate

Question # 9

Which scheduling policy is best suited for time sharing operating system.

Question # 10

The part of machine level instruction which tells the central processor what has to be done is.

Question # 11

Reference bit is used for

Question # 12

Dirty bit is used ot show

Question # 13

Which one is true.

Question # 14

Which command is used to set limits on file size.

Question # 15

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

Question # 16

Remote computing services involves the use of.

Question # 17

Solaris is product of.

Question # 18

Which is the most important for Multi taskiing.

Question # 19

To avoid the race condition the number of process that may be simultaneously inside the critical section is

Question # 20

Dijkstra's algorithm deals with

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PPSC Class ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 By which of following the problem of thrashing is significantly affected.
A. Program size
B. Program structure
C. Primary storage
D. Secondary strorage
2 Which among following is considered as super daemon.
A. Sysinit
B. Grep
C. Init
D. Locate
3 Problem of thrashing is affected significantly by
A. Program structure
B. Program size
C. Primary storage size
D. All of above
4 Which type of software can be used to merge data of two files in one files.
A. System software
B. Networking software
C. Documenting software
D. utility software
5 By which command content of a file can be searched.
A. grep
B. search
C. srh
D. show
6 Which command in vi editor command is used to copy the current line of the file.
A. ys
B. yy
C. yc
D. yw
7 Which command is used to extract a column from a text file.
A. get
B. tar
C. untar
D. cut
8 What is the command that can print lines of first file matching with second file.
A. Printline
B. cmp
C. com
D. comn
9 Which one is true.
A. The linkage editor is used to edit program which have to later link together.
B. The linkage editor links object module during compling
C. The linkage editor links objects modules and resolves external reference between them before loading.
D. None of above
10 Which is signal user operating system.
A. MS-DOS
B. UNIX
C. XENIX
D. LINUX

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