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Operating System (OS)

Operating System (OS)
To prevent the addition and deletion of files on a disk or tape we use

Create back up
Write protect
None of above
Format

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Operating System (OS)
Which of the following is not a multitasking operating system ?

Windows
Win NT
DOS
Linux

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Operating System (OS)
Directory is similar to......

File
Folder
Item
None of the listed here

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Operating System (OS)
The memory allocation scheme subject to "external" fragmentation is

pure demand paging
multiple contiguous fixed partitions
swapping
segmentation
None of these

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Operating System (OS)
My computer was introduced from

Windows 3.1
Windows 3.11
Windows 98
Windows 95

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Operating System (OS)
Fragmentation of the file system

None of these
can be temporarily removed by compaction
occurs only if the file system is used improperly
can always be prevented
is a characteristic of all file systems

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