1) Switch ON the power supply button to supply 5V to the circuit.

2) Press Switch 1 for input A and Switch 2 for input B.

The switch in ON state is and the switch in OFF state is

3)
i)When the input A is greater than the input B,LED 1 lits up.

ii)When the input A is lesser than the input B,LED 2 lits up.

iii)When the input A is equal to the input B,LED 3 lits up.

The LED in OFF state is and the LED in ON state is .

4) Click on "Add" Button to add data to the Truth Table.

5) Repeat Steps 2 to 4 for another set of data.

6) Click "Print" to get the print out of the Truth Table.

Construction of 1-Bit Comparator and verification of its operation

Power

IC 7404

IC 7408

IC 7402

Switch 1 (A)

Switch 2 (B)

LED 1
A≻B
A B

LED 2
A≺B
A B

LED 3
A=B
AB+A B













      TRUTH TABLE            

Serial No. A B A≻B A≺B A=B