Operating System (OS)
What is dispatch latency ?

The time taken by the dispatcher to stop one process and start another
The time taken by the processor to write a file into disk
The whole time taken by all processor
None of the listed here

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Operating System (OS)
All of the following are task performed by the operating system except

Managing hardware on the computer
Provides an interface for user to interact with computer
Performing housekeeping task like file compression and disk defragmentation
Controlling the access that application program has to the CPU

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