Digital Circuits Lecture-20: Alternate Logic Gates (Bubbled gates)

Digital Circuits Lecture-20: Alternate Logic Gates (Bubbled gates)
                 In this lecture, i discussed about alternate symbols for logic gates or also called bubbled gates.
 

For Video Lecture follow the below link: 

https://youtu.be/bBjMPMRpOJs

For Lecture Material download from follow the below link:

http://www.mediafire.com/file/na82q5nwpmx1o1x/DE-Lec-20.pdf