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

to build a uniform symbol table
None of these
to parse the source program into the basic elements or tokens of the language.
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 build a literal table and an identifier table

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Operating System (OS)
The FIFO algorithm

execute first the job that has been in the queue the longest
None of these
executes first the job with the least processor needs
executes first the job that first entered the queue
executes first the job that last entered the queue

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Operating System (OS)
The necessary conditions needed before deadlock can occur?

Mutual Exclusion, No Hold and wait, Preemption, Circular Wait
Mutual Exclusion, Hold and wait, Preemption, No Circular Wait
Mutual Exclusion, Hold and wait, No Preemption, Circular Wait
No Mutual Exclusion, Hold and wait, Preemption, Circular Wait

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