Operating System (OS)
Which of the following statement is true.

None of these
Seek analysis is used for analysing control-unit busy problems.
Thrashing is a natural consequence of virtual memory systems.
All of these
The LRU algorithm pages out pages that have been used recently

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Operating System (OS)
What is dispatch latency ?

The whole time taken by all processor
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
None of the listed here

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Operating System (OS)
The function(s) of the Storage Assignment is (are)

All of these
to assign storage to all temporary locations that are necessary for intermediate results.
None of these
to assign storage to literals, and to ensure that the storage is allocate and appropriate locations are initialized.
to assign storage to all variables referenced in the source program.

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Operating System (OS)
The function(s) of the Syntax phase is(are)

to recognize the major constructs of the language and to call the appropriate action routines that will generate the intermediate form or matrix for these constructs.
to parse the source program into the basic elements or tokens of the language.
None of these
to build a uniform symbol table
to build a literal table and an identifier table

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