ITPEC IP April 2018 Question 15
ITPEC IP April 2018 — Question 15 of 100
Parallel processing divides work into units that can run simultaneously and executes them on multiple CPUs or processing cores. When tasks have limited dependencies, concurrent execution can reduce the elapsed time compared with performing every unit sequentially.
Answer (a)
Why not others:
- grouping related operations into one process does not make their execution parallel
- dividing work between a client and server describes client-server processing
- rapidly allocating one CPU among applications describes time-sharing or multitasking
Key rule: Parallel processing performs multiple computations at the same time on multiple processing resources; multitasking interleaves tasks over time.
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