Operating System (OS)
UNIX operating system is a(n)

All of the listed here
Multi tasking operating system
Multi user operating system
Time sharing operating system

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Operating System (OS)
Uniform Symbols Table

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

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Operating System (OS)
Page stealing

Is taking layer disk space for page in page out
Should be the turning goal
Is a sign of an efficient system
Is taking page frame from other working sets

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Operating System (OS)
Seeks analysis

is used for analyzing paging problems
None of these
is used for analyzing device busy problems
is only shown on real-time displays
is used for analyzing control-unit busy problems

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Operating System (OS)
Under virtual storage,

a single program is processed by two or more CPUs
interprogram interference may occur
only the active pages of a program are stored in primary storage
two or more programs are stored concurrently in primary storage
None of these

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