Operating System (OS)
Uniform Symbols Table

None of these
consists of a full or partial list of the token's as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation
a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure
contains all constants in the program
a permanent table which lists all key words and special symbols of the language in symbolic form

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Operating System (OS)
Under virtual storage,

two or more programs are stored concurrently in primary storage
interprogram interference may occur
None of these
a single program is processed by two or more CPUs
only the active pages of a program are stored in primary storage

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