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The carry look ahead adder is based on the principle of looking at the lower order bits of ________ and ________ if a high order carry is generated.(a) Addend, minuend(b) Minuend, subtrahend(c) Addend, minuend(d) Augend, addendI got this question in an interview for job.Question is taken from Fast Adder & Serial Adder in chapter Arithmetic Circuits of Digital Circuits

Answer»

The correct choice is (d) Augend, addend

Explanation: The carry look AHEAD adder is based on the principle of looking at the lower order BITS of the augend and addend if a HIGH order carry is GENERATED. A carry look ahead adder is a type of adder which reduces the propagation delay.



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