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Operating System (OS)

Operating System (OS)
Which is not a valid file system ?

NTFS
FXZ
FAT 16
FAT 32

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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:

FIFO
None of these
time out
time domain
time sharing

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Operating System (OS)
Which are the most important features of Microsoft Windows program?

All of these
None of these
Pull-down menus
Icons
Windows

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Operating System (OS)
Which of the following key is used to move the pointer from one pane to next pane?

F6
F5
F4
F3

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Operating System (OS)
Under multiprogramming, turnaround time for short jobs is usually _____ and that for long jobs is slightly _____.

lengthened; lengthened
lengthened; shortened
shortened; shortened
None of these
shortened; lengthened

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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
64
32
128
16

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