1) Which of the following is false? 1) Half adders and full adders are combinational logic. 2) The number of inputs to a full adder is one more than that to a half adder. 3) Either half adder or full adder has two outputs. 4) The number of gates used in a full adder is twice as that in a half adder.

2) The Boolean expression (A'B' + AB) is equivalent to :1) A'B + AB' 2) (A + B')(A' + B) 3) A + B 4) or ?

3) What is the simplification result for Boolean Expression (A+C)(AD+AD)+AC+C? 1) A+C 2) C 3) A+D 4) or?