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

A series of statements explaining how the data is to be processed is called.

Question # 2

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

Question # 3

Dynamic allocation of storage areas with VSAM files is accomplished by

Question # 4

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

Question # 5

What is the maximum number of processes that may enter simultaneously inside the critical section to avoid race condition.

Question # 6

Belady anomaly occurs in.

Question # 7

Tee command is used in LINUX for.

Question # 8

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

Question # 9

A high paging rate

Question # 10

File record length

Question # 11

Printer in the file structure can be found in.

Question # 12

Which command in LINUX is used for description any command.

Question # 13

Which command changes a files group owner

Question # 14

Which command is used to set terminal input output characteristics

Question # 15

Solaris is product of.

Question # 16

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

Question # 17

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

Question # 18

Which scheduling policy is most suitable for time shared operating system.

Question # 19

Dirty bit is used ot show

Question # 20

Which of following is not an advantage of multiprogramming.

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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 File record length
A. Should be chosen to match the data characteristics
B. Should be fixed
C. Should be variable
D. Vary system to system
3 Which is the most important for Multi taskiing.
A. Modularity
B. Time sharing
C. Multi programming
D. Multi user
4 By which command content of a file can be searched.
A. grep
B. search
C. srh
D. show
5 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
6 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
7 Dijkstra's algorithm deals with
A. Mutual exclusion
B. Dead lock avoidance
C. Dead lock recovery
D. Real time processing
8 If two files on same partition point to the same inode structure they are called.
A. Soft links
B. Hard links
C. Copy links
D. similar links
9 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
10 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.

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