Q: Does 3-layes means 3-neuron layes?
A: No. Input layer does not contain neuros, but source nodes only.

Q: What is u(t)? It is not defined in the instructions.
A: u(t) stands for unit step function.

Q: Can we use JAVA, instead of C?
A: Yes, you can use java.

Q: Can we use MATLAB to do the project?
A: You can use MATLAB only to plot graphs.