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Operating System (OS)

Operating System (OS)
What should be the extension to execute files?

EXE
BAT
All of these
COM

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Operating System (OS)
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

to be fair
to obey priorities
None of these
to balance resource utilization
to be predictable

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Operating System (OS)
What does Belady's Anomaly related to?

Memory Management Algorithm
Disk Scheduling Algorithm
Deadlock Prevention Algorithm
Page Replacement Algorithm

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Operating System (OS)
A development strategy whereby the executive control modules of a system are coded and tested first, is known as

Bottom-up development
All of these
Left-Right development
None of these
Top-down development

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Operating System (OS)
The technique, for sharing the time of a computer among several jobs. Which switches jobs so rapidly such that each job appears to have the computer to itself:

None of these
time domain
time sharing
time out
FIFO

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Operating System (OS)
Which of the following is not an advantage of multiprogramming?

ability to assign priorities to jobs
None of these
decreased operating-system overhead
increased throughput
shorter response time

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