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The task of converting the byte into serial form and transmitting it bit by bit along with start, stop and parity bits is carried out by

(a) reception unit

(b) serial communication unit

(c) transmission unit

(d) all of the mentioned

The question was asked during an online interview.

My doubt is from Serial Communication Unit in chapter Microcontroller 8051 of Microprocessor

1 Answer

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by (49.2k points)
The correct option is (c) transmission unit

For explanation: the serial communication unit consists of transmission unit and reception unit. The task of converting the byte into serial form and transmitting it bit by bit along with start, stop and parity bits is carried out by transmission unit.

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