Operating System (OS)
A public key encryption system

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

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Operating System (OS)
Multiprogramming

is a method of allocating processor time.
None of these
allows multiple programs to reside in separate areas of core at the time.
is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.
consists of those addresses that may be generated by a processor during execution of a computation.

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