Operating System (OS)
Object modules generated by assemblers that contain unresolved external references are resolved for two or more object modules by a/an

linker
loader
compiler
None of these
operating system

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Operating System (OS)
A public key encryption system

allows only the correct receiver to decode the data
allows anyone to decode the transmission
allows only the correct sender to decode the data
None of these
does not encode the data before transmitting it

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