Operating System (OS)
Uniform Symbols Table

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
contains all constants in the program
a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure
None of these

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Operating System (OS)
Multiprogramming systems:

None of these
are easier to develop than single programming system
execute each job faster
are used only on large mainframe computers
execute more jobs in the same time period

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Operating System (OS)
Addressing modes

All of these
performs indicated operations on two fast registers of the machine and leave the result in one of the registers.
None of these
defines the fundamental method of determining effective operand addresses
are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.

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