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What does UART stand for?

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What does UART stand for?

(a) universal asynchronous receiver transmitter

(b) unique asynchronous receiver transmitter

(c) universal address receiver transmitter

(d) unique address receiver transmitter

I have been asked this question in an interview.

The question is from UART topic in chapter Basic Peripherals of Embedded Systems

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Best answer
The correct option is (a) universal asynchronous receiver transmitter

Best explanation: The UART or universal asynchronous receiver transmitter is used for the data transmission at a predefined speed or baud rate.

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