Operating System (OS)
Part of a program where the shared memory is accessed and which should be executed invisibly is called

semaphores
directory
critical section
None of these
mutual exclusion

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Operating System (OS)
Uniform Symbols Table

a permanent table which lists all key words and special symbols of the language in symbolic form
a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure
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
None of these
contains all constants in the program

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