Operating System (OS)
In analyzing the compilation of PL/I program, the description "creation of more optimal matrix" is associated with

Syntax analysis
Code generation
Assembly and output
None of these
Machine independent optimization

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Operating System (OS)
Which of the following functions is(are) performed by the loader

All of these
allocate space in memory for the programs and resolve symbolic references between object decks
adjust all address dependent locations, such as address constants, to correspond to the allocated space.
None of these
physically place the machine instructions and data into memory.

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

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 uniform symbol table
to parse the source program into the basic elements or tokens of the language.
to build a literal table and an identifier table

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