Polling loop to periodically access

Assignment Help Basic Computer Science

Reference no: EM133871108

Question

An embedded systems designer is using a polling loop to periodically access an I/O device.

a) Give an advantage of using a polling loop for this purpose. Simplicity: A polling loop functions without interrupt complications to provide simple implementation that remains easy to grasp by programmers.

b) Give a disadvantage of using a polling loop for this purpose. Inefficient CPU Usage: The CPU wastes cycle's constantly testing device status, leading to poor resource utilization.

Reference no: EM133871108

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