Operating System (OS)
A page fault occurs when

the page is not found in the memory
the page is found in the memory
the Deadlock happens
the Segmentation starts

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

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