Operating System (OS)
The dispatcher

None of these
never changes task priorities
is always small and simple
puts tasks in I/O wait
actually schedules the tasks into the processor

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Operating System (OS)
Uniform Symbols Table

None of these
contains all constants in the program
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
a permanent table which lists all key words and special symbols of the language in symbolic form

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