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Operating System (OS)

Operating System (OS)
Running multiple programs at the same time is called:

Single tasking
Foreground tasking
Symmetric
Multitasking

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

None of these
hardware
peripheral
memory
screen

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Operating System (OS)
Poor response times are caused by

High paging rates
Any of the above
Processor busy
None of these
High I/O rate

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Operating System (OS)
A disk scheduling algorithm in an operating system causes the disk arm to move back and forth across the disk surface in order to service all requests in its path. This is a

FIFO
Shortest Seek Time First (SSTE)
Scan
First come first served
None of these

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Operating System (OS)
When did IBM release the first version of disk operating system DOS version 1.0?

1982
1984
None of these
1981
1983

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Operating System (OS)
The most recent version of MAC OS is based on the ...... operating system

Linux
Unix
Windows
CMOS

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MORE MCQ ON Operating System (OS)

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