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Which of the following is the logic level understood by the micro-controller/micro-processor?

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+1 vote
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in Microcontroller by (14.6k points)
Which of the following is the logic level understood by the micro-controller/micro-processor?

(a) TTL logic level

(b) RS232 logic level

(c) None of the mentioned

(d) TTL & RS232 logic level

I had been asked this question during an online interview.

Query is from Serial Port Communication topic in section 8051 Microcontroller of Microcontroller

1 Answer

0 votes
by (24.2k points)
Correct choice is (a) TTL logic level

Easy explanation: TTL logic or the transistor logic level is the logic that is understood by the micro-controllers/microprocessors.

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