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Computer Fundamentals - Engineering

Q1:

What is the name of the logic circuit which can add two binary digits?

A Full adder

B Half adder

C Buffer

D Register

E None of the above

ANS:B - Half adder

A unit which adds together two input variables. A full adder can add a bit carried from another addition as well as the two inputs, whereas a half adder can only add the inputs together.