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Operating Systems Concepts Questions and Answers

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Exercise

Exercise 1
Exercise 2
Exercise 3
Exercise 4

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Q 1
The higher versions of the operating systems are so written that programs designed for earlier versions can still be run. What is it called?

A)   Upgradability

B)   Upward mobility

C)   Universality

D)   Upward compatibility

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Correct Option - D

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Q 2
Which of the following can be accesses by transfer vector approach of linking?

A)   External data segments

B)   External subroutines

C)   Data located in other procedures

D)   All of the above

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Correct Option - B

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Q 3
If special forms are needed for printing the output, the programmer specifies these forms through?

A)   JCL

B)   JPL

C)   Utility programs

D)   Load modules

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Correct Option - A

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Q 4
Which of the following scheduling objectives should be applied to the following: the system should admit jobs to create a mix that will keep most devices busy

A) to be fair

B) to balance resource utilization

C) to obey priorities

D) to be predictable

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Correct Option - B

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Q 5
Which of the following terms refers to the degree to which data in a database system are accurate and correct?

A)   data security

B)   data validity

C)   data independence

D)   data integrity

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Correct Option - D

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Q 6
Multiprogramming systems:

A) are easier to develop than single programming system

B) execute each job faster

C) execute more jobs in the same time period

D) are used only on large mainframe computers

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Correct Option - C

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Q 7
Which policy replace a page if it is not in the favoured subset of a process's pages?

A)   FIFO

B)   LRU

C)   LFU

D)   Working set

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Correct Option - D

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