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Luden [163]
3 years ago
14

What is meant by polling mode in communication between software andUART and what is its disadvantage as compared to interrupt mo

de.[
Computers and Technology
1 answer:
g100num [7]3 years ago
3 0

Answer and Explanation:

POLLING MODE: In polling mode in communication process the processor     continually check UART port for data instead of UART port signaling the process through an interrupt when data is ready as is done in interrupt mode.

 THE DISADVANTAGES AS COMPARED TO THE INTERRUPT MODE :

the disadvantages in polling mode is that the processor wastes time in checking the UART continually while in interrupt mode it is  doing useful task

until the UART interrupt this  

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