Operating System (OS)
File record length

depends upon the size of the file
Should always be variable
None of these
should be chosen to match the data characteristics
should always be fixed

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Operating System (OS)
Memory

is the device where information is stored
is a sequence of instructions
None of these
is a device that performs a sequence of operations specified by instructions in memory.
is typically characterized by interactive processing and time-slicing of the CPU

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Operating System (OS)
Uniform Symbols Table

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
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
contains all constants in the program
None of these

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