Question: Question 3: [6 marks] A computer uses a word addressable memory organization unit with 256K words of 32 bits in each word. A binary instruction

Question 3: [6 marks] A computer uses a word addressable memory organization unit with 256K words of 32 bits in each word. A binary instruction code is stored in one word of memory. The instruction has 3 parts: an indirect bit, operation code, and the address. The computer has 6 registers: PC, AR, TR, AC, DR, IR. Assume there are 16 different operations, which will be used. a. How many address lines (bits to address memory) are there in the memory? [1 mark] b. Draw the block diagram of instruction format. [1.5 marks] c. Draw a block diagram of the computer showing the memory and the registers. Do not show common bus. [3.5 marks]

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