Operating System (OS)
What is dispatch latency ?

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

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Operating System (OS)
Semaphores

synchronize critical resources to prevent deadlock
synchronize critical resources to prevent contention
are used for memory management
are used to do I/O
None of these

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Operating System (OS)
A program

is typically characterized by interactive processing and time of the CPU
is the device where information is stored
None of these
is a sequence of instructions
is a device that performs a sequence of operations specified by instructions in memory.

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