Operating System (OS)
Object code

is the output of compilers, but not assemblers
must be rewritten before execution
None of these
is ready to execute
must be "loaded" before execution

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Operating System (OS)
The term "operating system" means

conversion of high level language into machine code
a set of programs which controls computer working
the way a computer operator works
None of these
the way a floppy disk drive operates

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