Language Processors
Job Control Language (JCL) statements are Used to

Allocate the CPU to a job
Specify, to the operating system, the beginning and end of a job in a batch
Read the input from the slow-speed card reader to the high-speed magnetic disk
All of these

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Language Processors
The advantage(s) of incorporating the macro processor into pass 1 is/ are:

All of these
more flexibility is available to the programmer in which he/she may use all the features of the assembler in conjunction with macros
Functions are combined and it is not necessary to create intermediate files as output from the macro processor and input to the assembler
many functions do not have to be implemented twice

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Language Processors
The function(s) of the Syntax phase is/ are:

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

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