Operating System (OS)
Memory management is :

not used in modern operating system
None of these
replaced with virtual memory on current systems
critical for even the simplest operating systems
not used on multiprogramming systems

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

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

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