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Polling and Interrupts 1. Initialization of a Port a. Steps that are required

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Electrical Engineering

Polling and Interrupts
1. Initialization of a Port

a. Steps that are required

Answer & Explanation Solved by verified expert
4.0 Ratings (531 Votes)
An interrupt is a hardware mechanism that enables CPU to detect that a device needs its attention Polling is a protocol that notifies CPU that a device needs its attention Unlike in interrupt where device tells CPU that it needs CPU processing in    See Answer
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