ITPEC IP October 2024 Question 15
ITPEC IP October 2024 — Question 15 of 100
Parallel processing divides work into portions that can run simultaneously and executes them on multiple processors or processing units. If tasks are sufficiently independent, concurrent execution reduces completion time or increases throughput. Coordination, synchronization, communication, and the serial portion of the work limit the possible speedup.
Answer (a)
Why not others:
- (b) grouping related operations as one process does not imply simultaneous execution
- (c) describes client-server processing divided by system role
- (d) describes time sharing or multitasking on one CPU, where short time slices create apparent concurrency rather than true simultaneous processing
Key rule: Parallelism means actual simultaneous execution on multiple processing resources; multitasking may merely interleave work on one resource.
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