Computer Science · Embedded Systems
What is the main disadvantage of using polling instead of interrupts for handling peripheral devices in an embedded system?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Reduction in sensor measurement accuracy
- 2Increased memory usage for stack allocation
- 3Wastage of CPU cycles during repeated checking✓
- 4Slower response to high-priority tasks due to polling overhead
Correct answer
Wastage of CPU cycles during repeated checking
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