Operating System (OS)
What is the name of the technique in which the operating system of a computer executes several programs concurrently by switching back and forth between them?

Windowing
Partitioning
Multitasking
None of these
Paging

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

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

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