Operating System (OS)
Memory

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

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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
None of these
flexibility to the users in running lists of commands by simply collecting them in named batch command files
the command set being common across different hardware configurations
users can create system programs and run them as commands

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

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

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