Question: Question 7 - 6 Points) A digital computer has a memory unit with 24 bits per word. The instruction set consists of 510 different operations.

Question 7 - 6 Points) A digital computer has a memory unit with 24 bits per word. The instruction set consists of 510 different operations. All instructions have an operation code part (OPCODE) and an address part (allowing for only one address). Each instruction is stored in one word of memory. a. How many bits are needed for the OPCODE? b. How many bits are left for the address part of the instruction? Answer I Question 8 - (8 Points) Suppose the daytime processing load consists of 60% CPU activity and 20% disk activity. Your customers are complaining that the system is slow. After doing some research, you learn that you can upgrade your disks for $1,000 to make them 1.5 times as fast as they are currently. You have also learned that you can upgrade your CPU to make it 1.6 times as fast for $2000. a. Which would you choose to yield the best performance improvement for the least amount of money? b. Calculate the system speedup for each case

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