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IT GACE Computer Science Practice Test

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What term refers to the simultaneous execution of two or more computer programs or sequences of instructions by a computer?
Correct Answer:
Multi-processing
Explanation:
Running multiple programs at the same time by using more than one processor is called multiprocessing. When a computer has multiple CPUs or cores, it can actually execute several sequences of instructions in parallel, with the operating system distributing each program to a different processor. This is different from multitasking on a single processor, which achieves apparent simultaneity by interleaving tasks over time rather than executing them truly in parallel. The other terms refer to parts of the system or to how software coordinates work, not to the act of executing several programs at once.

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