MosChip Design Verification Engineer Trainee interview questions

Types of memory and difference between memory and register, register, RAM, ROM, 64 bit adder, 64-bit register, OSI layer, Physical layer, interrupts, Types of interrupts, why it is priority high for non-maskable interrupts, why it is priority low for maskable interrupts, latch and flipflop. how latch acts as memory, many qns like these