Hi! I am new to logic circuits, and I am curious about this diagram. I Know that the operators are NAND operators. But I wonder what are bitwise sum and bitwise product (carry bit) at the last two outputs of the circuit. How do we compute them? For example if x1=0 and x2=1 what the output is going to be?
Hi! I am new to logic circuits, and I am curious about this diagram. I Know that the operators are NAND operators. But I wonder what are bitwise sum and bitwise product (carry bit) at the last two outputs of the circuit. How do we compute them? For example if x1=0 and x2=1 what the output is going to be?
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Hi! I am new to logic circuits, and I am curious about this diagram. I Know that the operators are NAND operators. But I wonder what are bitwise sum and bitwise product (carry bit) at the last two outputs of the circuit. How do we compute them? For example if x1=0 and x2=1 what the output is going to be?

Transcribed Image Text:X1
X2
sum: x1 ① X2
carry bit: x1X2
Expert Solution

Step 1
Given Circuit is for Half Adder using NAND Gate
Circuit of half adder will be designed with the help of basic building blocks of digital logic gates. It can also be designed with help of the universal gates.
Truth Table of Half Adder:
x1 |
x2 | Sum | Carry bit |
0 | 0 | 0 | 0 |
0 | 1 | 1 | 0 |
1 | 0 | 1 | 0 |
1 | 1 | 0 | 1 |
Truth Table of NAND Gate:
NAND gate Boolean Expression: (A.B)'
A | B | A NAND B |
0 | 0 | 1 |
0 | 1 | 1 |
1 | 0 | 1 |
1 | 1 | 0 |
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