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Question 05: A microprocessor has an increment memory direct instruction, which adds 1 to the value in a memory location. The instruction has five stages: i. Fetch opcode (four bus clock cycles). ii. Fetch operand address (three cycles). iii. Fetch operand (three cycles). iv. Add 1 to operand (three cycles). V. Store operand (three cycles). a. Calculate the overall instruction cycles. b. If we have to insert two bus wait cycles in each memory read and memory write operation, what is the amount of increasing in the instruction cycle? c. Repeat (b) assuming that the increment operation takes 13 cycles instead of 3 cycles

Question 05: A microprocessor has an increment memory direct instruction, which adds 1 to the value in a memory location. The instruction has five stages: i. Fetch opcode (four bus clock cycles). ii. Fetch operand address (three cycles). iii. Fetch operand (three cycles). iv. Add 1 to operand (three cycles). V. Store operand (three cycles). a. Calculate the overall instruction cycles. b. If we have to insert two bus wait cycles in each memory read and memory write operation, what is the amount of increasing in the instruction cycle? c. Repeat (b) assuming that the increment operation takes 13 cycles instead of 3 cycles

Systems Architecture
Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter4: Processor Technology And Architecture
Section: Chapter Questions
Problem 2PE: If a microprocessor has a cycle time of 0.5 nanoseconds, what’s the processor clock rate? If the...
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Question 05: A microprocessor has an increment memory direct instruction, which adds 1 to the value in a memory location. The instruction has five stages: i. Fetch opcode (four bus clock cycles). ii. Fetch operand address (three cycles). iii. Fetch operand (three cycles). iv. Add 1 to operand (three cycles). V. Store operand (three cycles). a. Calculate the overall instruction cycles. b. If we have to insert two bus wait cycles in each memory read and memory write operation, what is the amount of increasing in the instruction cycle? c. Repeat (b) assuming that the increment operation takes 13 cycles instead of 3 cycles
Transcribed Image Text:Question 05: A microprocessor has an increment memory direct instruction, which adds 1 to the value in a memory location. The instruction has five stages: i. Fetch opcode (four bus clock cycles). ii. Fetch operand address (three cycles). iii. Fetch operand (three cycles). iv. Add 1 to operand (three cycles). V. Store operand (three cycles). a. Calculate the overall instruction cycles. b. If we have to insert two bus wait cycles in each memory read and memory write operation, what is the amount of increasing in the instruction cycle? c. Repeat (b) assuming that the increment operation takes 13 cycles instead of 3 cycles
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