Computer Science for IGCSE & O level - Boolean Logic (Section 1 - No. 41)
What is the function of the 'carry' output in a full adder circuit?
To indicate if a sum overflows.
To represent the sum of the two inputs.
To indicate the difference between the inputs.
To invert the sum.
Εξήγηση
The carry output indicates if a sum is greater than 1, which indicates a carry-over to the next bit.