When two ALU 1C 74181 are cascaded

Electronics and Communication Engineering (ECE) : Microprocessors - Quiz(MCQ)

the carry in of first stage connected to carry in of second stage

the carry out of first stage is connected to carry in of second stage

the carry in of first stage is connected to carry out of second stage

the carry out of first stage is connected to carry out of second stage

Correct Answer : Option (B) : the carry out of first stage is connected to carry in of second stage

Explanation : In cascading carry out of first stage is connected to carry in of second stage.

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