1)HALF SUBTRACTOR

Simulator 1:

Step-1) Connect the Supply(+5V)      to the circuit.
Step-2) First press "ADD" button to add basic state of your output in the given table.
Step-3) Press the switches to select the required inputs "A" and "B".
Step-4) Press "ADD" button to add your inputs and outputs in the given table.
Step-5) Repeat steps 3&4 for next state of inputs and their corresponding outputs.
Step-6) Press the "PRINT" button after completing your simulation to get your results.

Simulator 2:

Step-1) Enter the Boolean input "A" and "B".
Step-2) Enter the Boolean output for your corresponding inputs.
Step-3) Click on "Check" Button to verify your output.
Step-4) Click "Print" if you want to get print out of Truth Table.
Step-5) Click "Reset" if you want to reset inputs and outputs.

2)FULL SUBTRACTOR

Simulator 1:

Step-1) Connect the Supply(+5V)      to the circuit.
Step-2) First press "ADD" button to add basic state of your output in the given table.
Step-3) Press the switches to select the required inputs "A" and "B" and "Bin".
Step-4) Press "ADD" button to add your inputs and outputs in the given table.
Step-5) Repeat steps 3&4 for next state of inputs and their corresponding outputs.
Step-6) Press the "PRINT" button after completing your simulation to get your results.

Simulator 2:

Step-1) Enter the Boolean inputs "A" and "B" and "Bin".
Step-2) Enter the Boolean output for your corresponding inputs.
Step-3) Click on "Check" Button to verify your output.
Step-4) Click "Print" if you want to get print out of Truth Table.
Step-5) Click "Reset" if you want to reset inputs and outputs.