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UART is similar to _________

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UART is similar to _________

(a) SPI protocol

(b) I2C protocol

(c) HTTP protocol

(d) MQTT protocol

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This key question is from UART Protocol in division Internet Principles of IOT

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Right option is (b) I2C protocol

To explain I would say: UART(Universal Asynchronous Receiver/Transmitter) is a small, efficient communication device, similar to I2C.

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