Which of the following adders can add three or more numbers at a time

1.	Which of the following adders can add three or more numbers at a time ?
A.	parallel adder
B.	carry-look- ahead adder
C.	carry-save- adder d.
D.	full adder
Answer» C. carry-save- adder d.

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Which of the following adders can add three or more numbers at a time ?

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