Operating System (OS)
You can switch from one program to another by clicking within the desired program's icon from the

Application icon from taskbar
None of above
Application icon on desktop
Folder

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Operating System (OS)
Uniform Symbols Table

contains all constants in the program
None of these
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

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Operating System (OS)
The advantage(s) inherent to using high level languages is (are)

None of these
Improved debugging capability, and superior documentation
All of these
Fewer people, less management and shorter transition in learning time
A greater degree of machine independence

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