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Operating System (OS)

Operating System (OS)
Which of the following is a disk compression tool?

None of these
Drive space
Scan disk
Defragmenter

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Operating System (OS)
The principle of locality of reference justifies the use of

virtual memory
non reusable
cache memory
None of these
reenterable

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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:

time out
FIFO
time domain
None of these
time sharing

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Operating System (OS)
Which file system Windows 95 typically use?

FAT 16
LMFS
NTFS
FAT 32

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Operating System (OS)
Which of the following is a block device

None of these
printer
mouse
terminals
disk

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Operating System (OS)
Which of the following command is used to switch between the window programs?

Ctrl+Tab
None of these
Alt+F4
Alt+Tab

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