Operating System (OS)
What is the name given to all the programs inside the computer with makes it usable?

None of these
Firm ware
Shareware
System software
Application software

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Operating System (OS)
The advantage of a command processor running only built-in commands is:

the processing is much faster than would other-wise be the case when user defined commands are used
users can create system programs and run them as commands
the command set being common across different hardware configurations
None of these
flexibility to the users in running lists of commands by simply collecting them in named batch command files

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