What is the minimum number of cars that a driver should drive to learn how to drive?
One car is sufficient. Practice driving is all that is needed.
A driver will never mention to me that I am an “Alto Driver”, a “BMW Driver”, etc.
You can master only one computer language.
As an ECE student, you can practice C programming. You will only be able to program in C programming.
Learning 20% of any language can make you a master.
However, to be an expert, you must master the remaining 20%.
Expertise is needed in the industry.
All the best.