Operating System (OS)
Feed back queue

are used to favor real-time tasks
None of these
require manual intervention to implement properly
are very easy to implement
dispatch tasks according to execution characteristics

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Operating System (OS)
Uniform Symbols Table

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
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 which lists all key words and special symbols of the language in symbolic form

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Operating System (OS)
Paging

consists of those addresses that may be generated by a processor during execution of a computation.
is a method of allocating processor time.
None of these
allows multiple programs to reside in separate areas of core at the time.
is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.

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