In this video lecture we have simplified some Boolean expressions with the help of Boolean laws and Boolean properties. We have also used De Morgan theorem to simplify these questions.
Laws of Boolean algebra ----
https://youtu.be/uKrGta3VE00
Logic circuit for boolean expressions ----
https://youtu.be/JPMeDV2HJqE
De Morgan's Theorem ----
https://youtu.be/zRoAzWUyZGk