computer architecture binary question.

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You must show work to earn full credit. 1 - [4 points] Computer C1 has an overall CPI of 2.0 and can be run at a clock rate of 4GHz. How many instructions can the processor execute in 6 seconds? 2 - [6 points] The CPU design team is designing an instruction set with three classes of instructions. Parameters are given in the following table. Consider a program with 70%ALU instructions, 20% memory access instructions, and 10% control instructions. What is the average CPI for this CPU? 3 - [8 points] Write the following sequence of code into RISC-V assembler. Assume that x,y, and z are stored in registers 18,19, and 20 respectively. x=y+2z=xz2