Operating Systems Concepts - Engineering

Q1:

In analyzing the compilation of PL/I program, the term "Machine independent optimization" is associated with

A recognition of basic syntactic constructs through reductions.

B recognition of basic elements and creation of uniform symbols.

C creation of more optional matrix.

D use of macro processor to produce more optimal assembly code

E None of the above

ANS:C - creation of more optional matrix.

What is PL/I?