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Questions and Answers
What is the basic operation performed by a CPU to execute an instruction?
What is the basic operation performed by a CPU to execute an instruction?
- Interrupt cycle
- Indirect cycle
- Fetch-decode-execute cycle (correct)
- Fetch cycle
Which cycle is always followed by the Execute Cycle?
Which cycle is always followed by the Execute Cycle?
- Fetch Cycle
- Indirect Cycle (correct)
- Throughput Cycle
- Interrupt Cycle
What can CPU designers improve by optimizing instruction cycles?
What can CPU designers improve by optimizing instruction cycles?
- Number of CPU cores
- Size of the CPU cache
- Clock speed of the CPU
- Performance and efficiency of the CPU (correct)
What is the new 2-bit register assumed in the text?
What is the new 2-bit register assumed in the text?
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Which cycle is always followed by the Fetch Cycle?
Which cycle is always followed by the Fetch Cycle?
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Study Notes
CPU Instruction Execution
- The CPU executes an instruction by performing a series of cycles, including Fetch, Decode, Execute, and Store.
- The Fetch Cycle is always followed by the Decode Cycle.
- The Decode Cycle is always followed by the Execute Cycle.
- The Execute Cycle is always followed by the Store Cycle.
CPU Optimization
- CPU designers can improve the performance of the CPU by optimizing instruction cycles.
- Optimizing instruction cycles can reduce the execution time of instructions.
Registers
- A new 2-bit register, assumed in the text, is used to store temporary results or flags during instruction execution.
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