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Operating System (OS)

Operating System (OS)
Which of the following is a disk compression tools?

Drive space
None of these
Defragmenter
Scandisk

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Operating System (OS)
Which of the following instruction steps, would be written within the diamond-shaped box, of a flowchart?

DATA X,4Z
None of these
S = B - C
PRINT A
IS A

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Operating System (OS)
What problem is solved by Dijkstra's banker's algorithm?

cache coherence
deadlock recovery
None of these
mutual exclusion
deadlock avoidance

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Operating System (OS)
Which policy replace a page if it is not in the favoured subset of a process's pages?

FIFO
Working set
None of these
LFU
LRU

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Operating System (OS)
A ____ is a named location on a disk where files are stored

Folder
Version
None of the listed here
Pod

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Operating System (OS)
The modern keyboard typically has ___ Function keys.

12
16
10
14

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