Operating System (OS)
Scheduling is

allowing jobs to use the processor
unrelated to performance consideration
not required in uniprocessor systems
the same regard-less of the purpose of the system
None of these

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Operating System (OS)
Thrashing

can be caused by poor paging algorithms
None of these
can always be avoided by swapping
always occurs on large computers
is a natural consequence of virtual memory systems

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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
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
contains all constants in the program

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