Language Processors
In analyzing the compilation of PL/I program, the description "resolving symbolic address (labels) and generating machine language" is associated with

Syntax analysis
Code generation
Assembly and output
Storage assignment

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

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

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