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Operating System (OS)

Operating System (OS)
Which is not an external command ?

Sys
XCOPY
None of the listed here
Edit

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Operating System (OS)
A system program that sets up an executable program in main memory ready for execution is

linker
None of these
assembler
loader
compiler

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Operating System (OS)
In windows, start button is used to

All of the listed here
Device setting
Turn off the system
Run applications

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Operating System (OS)
Software that measures, monitors, analyzes, and controls real-world events is called:

real-time software
scientific software
system software
None of these
business software

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Operating System (OS)
Block or buffer caches are used

to improve disk performance
to handle interrupts
None of these
to speed up main memory read operation
to increase the capacity of main memory

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

F4
F5
F6
F3

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