Language Processors
The Process Manager has to keep track of:

the priority of each program
the status of each program
the information management support to a programmer using the system
both (a) and (b)

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Language Processors
A base register table

is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain
allows multiple programs to reside in separate areas of core at the same time
allows the programmer to write base registers and displacements explicitly in the source program
is a term that refers to the control programs of an operating system

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Language Processors
Assembler is

a program that places programs into memory and prepares them for execution
a program that automate the translation of assembly language into machine language
a program that accepts a program written in a high level language and produces an object program
is a program that appears to execute a source program as if it were machine language

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

creation of more optional matrix
recognition of basic syntactic constructs through reductions
recognition of basic elements and creation of uniform symbols
use of macro processor to produce more optimal assembly code

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Language Processors
A compiler is

a program that places programs into memory and prepares them for execution
a program that automate the translation of assembly language into machine language
is a program that appears to execute a source program as if it were machine language
program that accepts a program written in a high level language and produces an object program

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