Language Processors
Indicate which of the following is not true about an interpreter?

Interpreter is a kind of translator
Interpreter generates an object program from the source program
All of these
Interpreter analyses each source statement every time it is to be executed

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Language Processors
Assembly code data base is associated with

a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure
assembly language version of the program which is created by the code generation phase and is input to the assembly phase
a permanent table which lists all key words and special symbols of the language in symbolic form
consists of a full or partial list or the tokens as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation

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

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

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