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

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

Question # 2

What is the meaning of SVR 4

Question # 3

File inode number can be viewed by.

Question # 4

Belady anomaly occurs in

Question # 5

Which is not a valid file type in LINUX.

Question # 6

Which operating system use write through catches.

Question # 7

Multiprogramming system

Question # 8

Which command is used to know the LINUX version.

Question # 9

Disk scheduling includes decinding

Question # 10

Which one shows the name of the operating system.

Question # 11

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

Question # 12

Printer in the file structure can be found in.

Question # 13

Remote computing services involves the use of.

Question # 14

Which command in vi editor command is used to copy the current line of the file.

Question # 15

Which command is used to determine the path of an executable file.

Question # 16

What is the name of values that are automatically provided by software to reduce keystrokes.

Question # 17

Which operating system reacts in the acutal time.

Question # 18

Scissoring enables

Question # 19

How many links are created when we create a directory file.

Question # 20

A high paging rate

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 Which command is used to determine the path of an executable file.
A. which
B. whom
C. locate
D. wex
2 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
3 Which command gives the first byte where the difference is in the file 1 & file2
A. Diff
B. differ
C. Cmp
D. Compare
4 What is the command that can print lines of first file matching with second file.
A. Printline
B. cmp
C. com
D. comn
5 Printer in the file structure can be found in.
A. /etc
B. /html
C. /www
D. /dev
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 Banker's algorithm deals with
A. Dead lock prevention
B. Dead lock avoidance
C. Dead look recovery
D. Mutual exclusion
8 Which command is concerned with LINUX kernel log messages.
A. dmsg
B. dmesg
C. cmsg
D. cmesg
9 Which command is used to extract a column from a text file.
A. get
B. tar
C. untar
D. cut
10 Memory protection is normally done by
A. The processor and the associated hardware
B. The operating system
C. The compiler
D. The user program

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