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Which of the following have an asynchronous data transmission?

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in Embedded Systems by (271k points)
Which of the following have an asynchronous data transmission?

(a) SPI

(b) RS232

(c) Parallel port

(d) I2C

The question was posed to me during an online interview.

Query is from RS232 in division Basic Peripherals of Embedded Systems

1 Answer

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Correct choice is (b) RS232

Easy explanation: The data is transmitted asynchronously in RS232 which enhance long distance communication, whereas SPI, I2C offers short distance communication, and therefore, they are using synchronous data transmission.

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asked Oct 9, 2021 in Embedded Systems by Kennedy (271k points)
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