Operating System (OS)
In which way(s) a macro processor for assembly language can be implemented:

All of these
None of these
processor incorporated into pass 1 of a standard two-pass assembler
independent one-pass processor
independent two-pass processor

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Operating System (OS)
All of the following are task performed by the operating system except

Provides an interface for user to interact with computer
Controlling the access that application program has to the CPU
Performing housekeeping task like file compression and disk defragmentation
Managing hardware on the computer

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