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Operating System (OS)

Operating System (OS)
Which operating system does not support long file names ?

Windows NT
Windows 98
OS/2
DOS 6.2

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Operating System (OS)
User action such as keystroke or mouse click are referred to as

Processes
Tasks
Interrupt
Event

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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

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

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Operating System (OS)
If the number of bits in a virtual address of a program is 16 and the page size is 0.5 K bytes, the number of pages in the virtual address space is

None of these
128
64
16
32

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Operating System (OS)
In which of the storage placement strategies a program is placed in the smallest available hole in the main memory?

None of these
buddy
best fit
first fit
worst fit

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Operating System (OS)
What do you mean by Memory Compaction?

Combine multiple small memory holes into one big hole
Divide big memory hole into small holes
Combine multiple equal memory holes into one big hole
Divide memory hole by 2

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