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Which feature of NVIC allows it to handle multiple interrupts efficiently?

easy📝 Conceptual Q2 of 15
ARM Architecture - Exception and Interrupt Model
Which feature of NVIC allows it to handle multiple interrupts efficiently?
ANested interrupt handling
BSingle interrupt queue
CPolling based interrupt
DManual interrupt masking
Step-by-Step Solution
Solution:

  1. Step 1: Identify NVIC's interrupt handling method

    NVIC supports nested interrupts, meaning higher priority interrupts can preempt lower priority ones.

  2. Step 2: Compare with other options

    Polling and manual masking are not features of NVIC; it uses nested interrupt handling for efficiency.

  3. Final Answer:

    Nested interrupt handling -> Option A

  4. Quick Check:

    NVIC feature = Nested interrupt handling [OK]
Quick Trick: NVIC supports nested interrupts, not polling [OK]
Common Mistakes:
  • Thinking NVIC uses polling
  • Assuming interrupts are handled one at a time

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