Operating System (OS)
A form of code that uses more than one process and processor, possibly of different type, and that may on occasions have more than one process or processor active at the same time, is known as

broadcasting
time sharing
None of these
multiprogramming
multithreading

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Operating System (OS)
Addressing modes

are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.
defines the fundamental method of determining effective operand addresses
All of these
performs indicated operations on two fast registers of the machine and leave the result in one of the registers.
None of these

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