Operating System (OS)
You can set the width taskbar area and different components in it

By right click and set width menu
If the applications are not opened
If the taskbar is not yet locked
If other toolbars are not enabled

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Operating System (OS)
Uniform Symbols Table

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

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Operating System (OS)
A public key encryption system

None of these
allows only the correct receiver to decode the data
allows anyone to decode the transmission
does not encode the data before transmitting it
allows only the correct sender to decode the data

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