Operating System (OS)
The process of transferring data intended for a peripheral device into a disk (or intermediate store) so that it can be transferred to peripheral at a more convenient time or in bulk, is known as

multiprogramming
None of these
spooling
virtual programming
caching

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Operating System (OS)
System maintenance:

None of these
is not required if the system is well written
is necessary on all systems, regardless of how good
is usually not necessary
always requires several programs

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Operating System (OS)
What is the meaning of "Hibernate" in Windows XP/Windows 7?

Shutdown the Computer without closing the running applications
Restart the Computer in safe mode
Restart the Computer in hibernate mode
Shutdown the Computer terminating all the running applications

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