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Draw truth table and logical diagram of half adder
written 7.6 years ago by gravatar for ak.amitkhare.ak ak.amitkhare.ak • 540 modified 2.6 years ago by gravatar for pedsangini276 pedsangini276 • 4.8k

Mumbai University > Electronics Engineering > Sem 3 > Digital Circuits and Design

Marks: 5M

Year: Dec 2015
digital circuits and design
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written 7.6 years ago by gravatar for ak.amitkhare.ak ak.amitkhare.ak • 540 modified 7.6 years ago by gravatar for sayalibagwe sayalibagwe • 100
  • Half adder is a combinational logic circuit with two inputs and two outputs. It is the basic building block for addition of two “single” bit numbers. This circuit has two outputs namely “carry” and “sum”. Truth table of half adder is given below:
INPUT   OUTPUT  
A B Sum Carry
0 0 0 0
0 1 1 0
1 0 1 0
1 1 0 1

Logical Equation:

Sum= A’B + AB’ Carry= AB

Logical diagram is as follows:

enter image description here
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