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

All the abbreviations is vi editor can be shown by

Question # 2

Super visor state is only allowed to.

Question # 3

Distributed systems should.

Question # 4

Banker's algorithm deals with

Question # 5

Which command changes a files group owner

Question # 6

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

Question # 7

Which is non pre emptive

Question # 8

Disk scheduling includes decinding

Question # 9

Multiprogramming system

Question # 10

Which command is used to set limits on file size.

Question # 11

What are the global locks.

Question # 12

Macintosh computer uses

Question # 13

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

Question # 14

Re location bits used by relocating loader are a pacified by

Question # 15

Remote computing services involves the use of time sharing and

Question # 16

Dynamic allocation of storage areas with VSAM files is accomplished by

Question # 17

Semaphores are used to solve the problem of.

Question # 18

Which technique is used by operating systems to execute several program concurrently by switching back and forth.

Question # 19

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

Question # 20

Dijkstra's algorithm deals with

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PPSC ComputerScience Chapter 19 Important MCQ's

Sr.# Question Answer
1 Re location bits used by relocating loader are a pacified by
A. Relocating loader
B. Assembler
C. Translator
D. Linker
2 Belady anomaly occurs in.
A. LIFO
B. FIFO
C. LRU
D. NRU
3 What is the name of values that are automatically provided by software to reduce keystrokes.
A. Data values
B. Default values
C. Defined values
D. Fixed vallues
4 A hardware device which is capable of executing a sequence of instructions, is known as.
A. CPU
B. ALU
C. CU
D. Processor
5 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
6 To display disk consumption of a specific directory which command is used.
A. dd
B. du
C. dt
D. di
7 Which command in LINUX is used for description any command.
A. Help
B. Man
C. Detail
D. Short detail
8 Creating a job queue is a function of
A. Spooler
B. Interpolator
C. Complier
D. Drive
9 Which command is used to record a user login session in a file.
A. script
B. Record
C. Copy
D. Session
10 Which command reads the content of another file in vi editor .
A. erd
B. ex
C. r
D. read

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