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Which execution concept increases system performance by executing tasks in parallel using separate CPUs?

medium Q4 of 15
Computer Aptitude - Operating Systems
Which execution concept increases system performance by executing tasks in parallel using separate CPUs?
AMultitasking
BMultithreading
CTime sharing
DMultiprocessing
Step-by-Step Solution
  1. Step 1: Identify performance factor

    The question highlights parallel execution.
  2. Step 2: Match with CPU usage

    Parallel task execution using separate CPUs is multiprocessing.
  3. Final Answer:

    Multiprocessing → Option D
  4. Quick Check:

    Parallel CPUs always indicate multiprocessing ✅
Quick Trick: Parallel execution + multiple CPUs → Multiprocessing.
Common Mistakes:
  • Confusing parallelism with time slicing.
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