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ADC instruction is used for?

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in Microcontroller by (14.6k points)
ADC instruction is used for?

(a) addition of two 16 bit numbers

(b) analog to digital conversion

(c) automatic digital control

(d) none of the mentioned

This question was posed to me in a job interview.

Enquiry is from Arithmetic and Logic Instructions in chapter AVR Microcontroller of Microcontroller

1 Answer

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by (24.2k points)
Correct answer is (a) addition of two 16 bit numbers

Explanation: ADC instruction can be used for addition of two 16 bit numbers as here two 8 bit numbers are added simultaneously along with the carry coming from the previous 8 bits. So it can be used for the addition of two 16 bit numbers.

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