AMD interview questions

phone interview, asked about C++ programming and concept of computer architecture. 1. write c code to check prime number 2. write c code to detect different elements in two array 3. verilog blocking and non-blocking 4. different b/w c and verilog 5. different b/w template and virtual funciton 6. what is cache, cache coherence 7. different b/w stack and heap 8. what is interrupt