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

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

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Operating System (OS)
System maintenance:

is necessary on all systems, regardless of how good
always requires several programs
is not required if the system is well written
None of these
is usually not necessary

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