The full form of CSE is computer science engineering and the full form of ECE is electronics and communication engineering. The computer science engineering deals with computer technology and its applications and programming languages. Where as if you talk about electronics and communication engineering, it deals with electronic components and how communication is done between these components.

Read more about Computer science Engineering:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.careers360.com/courses/computer-science-engineering-course&ved=2ahUKEwic_9bgwPL4AhU2TmwGHRIlBWgQFnoECAoQAQ&usg=AOvVaw1kXhSulMv06ETXPQVYHX-P

Read more about Electronics and Communication Engineering:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.careers360.com/courses/electronics-and-communication-engineering-course&ved=2ahUKEwjPgbjnwPL4AhWHSWwGHZ8gCFIQFnoECAcQAQ&usg=AOvVaw2MzSHLMxZ9E_g6HEToJ0j0