Python program to implement Full Adder
Last Updated :
16 Jul, 2024
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Prerequisite : Full Adder in Digital Logic
Given three inputs of Full Adder A, B,C-IN. The task is to implement the Full Adder circuit and Print output i.e sum and C-Out of three inputs.
Full Adder : A Full Adder is a logical circuit that performs an addition operation on three one-bit binary numbers. The full adder produces a sum of the three inputs and carry value.
Logical Expression :
SUM = C-IN XOR ( A XOR B )
C-0UT = A B + B C-IN + A C-IN
Truth Table :
Examples :
Input : 0 1 1
Output: Sum = 0, C-Out = 1
According to logical expression Sum= C-IN XOR (A XOR B ) i.e 1 XOR (0 XOR 1) =0 , C-Out= A B + B C-IN + A C-IN i.e., 0 AND 1 + 1 AND 1 + 0 AND 1 = 1
Input : 1 0 0
Output: Sum = 1, C-Out = 0
Approach :
- We take three inputs A ,B and C-in .
- Applying C-IN XOR (A XOR B ) gives the value of sum
- Applying A B + B C-IN + A C-IN gives the value of C-Out
Below is the implementation :
# python program to implement full adder
# Function to print sum and C-Out
def getResult(A, B, C):
# Calculating value of sum
Sum = C ^ (A ^ B)
# Calculating value of C-Out
C_Out = ( C &( not ( A ^ B ))) | (not A) & B
# printing the values
print("Sum = ", Sum)
print("C-Out = ", C_Out)
# Driver code
A = 1
B = 0
C = 0
# passing three inputs of fulladder as arguments to get result function
getResult(A, B, C)
Output :
Sum = 1
C-Out = 0
