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Operating System (OS)

Operating System (OS)
Which one is not operating system?

OS/2
Unix
Windows
P11

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

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

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Operating System (OS)
Block caches or buffer caches are used

None of these
to improve disk performance
to increase the capacity of the main memory
to handle interrupts
to speed up main memory read operation

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

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Operating System (OS)
Which of the following is false about disk when compared to main memory?

longer storage capacity
faster
None of these
lower price per bit
non-volatile

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Operating System (OS)
Which of the following is the part of the operating system?

Cell
Kernel
Disk
FAT

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