Language Processors
Multiprogramming was made possible by

both (a) and (b)
neither (a) nor (b)
input/output units that operate independently of the CPU
operating systems

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Language Processors
An Interpreter 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
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
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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