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Operating System (OS)

Operating System (OS)
The operating system of a computer serves as a software interface between the user and

peripheral
screen
hardware
memory
None of these

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Operating System (OS)
Access time is the highest in the case of

cache
floppy disk
magnetic disk
None of these
swapping devices

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

BAT
COM
All of these
EXE

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Operating System (OS)
The SJF algorithm executes first the job

that last entered the queue
None of these
that first entered the queue
with the least processor needs
that has been in the queue the longest

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Operating System (OS)
The Banker's algorithm is used

To detect deadlock
To rectify deadlock
To prevent deadlock
To solve deadlock

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

12
16
10
14

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