Four Bit Parallel Adder cum Subtractor || Lesson 88 || Digital Electronics || Learning Monkey ||

Here we will try to understand Four Bit Parallel Adder cum Subtractor. In or previous discussion we have already discussed a four-bit parallel adder. Now in this video, we will understand the circuit diagram of adder cum subtractor in a single circuit. In the circuit, we have an extra bit using which we can convert from adder to subtractor. If the M bit is provided with 1 the circuit will subtract the bits. If M is provided with 0 the circuit will add the bits. Link for playlists:    / @wisdomerscse   Link for our website: https://learningmonkey.in Follow us on Facebook @   / learningmonkey   Follow us on Instagram @   / learningmonkey1   Follow us on Twitter @   / _learningmonkey   Mail us @ [email protected]