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Operating System (OS)

Operating System (OS)
Which of the following is not the user file extension?

.sys
.xls
.doc
.ppt

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Operating System (OS)
What should be the extension to execute files?

All of these
EXE
BAT
COM

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Operating System (OS)
The file structure that redefines its first record at a base of zero uses the term:

relative organization
hashing
None of these
dynamic reallocation
key fielding

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Operating System (OS)
Which of the following is not true about the memory management?

None of these
paging suffers from internal fragmentation
virtual memory is used only in multi-user systems
segmented memory can be paged
segmentation suffers from external fragmentation

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Operating System (OS)
The ....... is a temporary storage area in memory where you can attach text or graphics information

Both a and b
Clipboard
None of above
Copyboard

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Operating System (OS)
Interprocess communication

is required for all processes
is usually done via disk drives
is never necessary,
None of these
allows processes to synchronize activity

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