(a) What is the difference between general purpose register and segment registers? (2 points) (b) Arrange the following memory systems in ascending order based on their speed: Hard Drive, L1 cache, L3 cache, L2 cache, RegisterI, Main memory (3 points) (c) A computer program has three types of instructions. 30% instructions of the program are load instructions, 20% instructions of the program are arithmetic operations, and the rest of the instructions floating point instructions. Each load instruction takes 4 clock cycles to execute. Each arithmetic operation takes 8 clock cycle to execute. And Each floating point instructions takes 10 clock cycle to execute. The Processor is 2.3GHz. The program contains total 8 billin instructions. How long does it take to complete the program? o get the full points show the computations and math. (5 points)