Computer Science · Computer Organization and Architecture
During CPU design testing, engineers found that frequent access to registers improves overall processing speed compared to main memory access. Why does this happen?
- 1Registers are slower than main memory
- 2Registers store data and instructions permanently
- 3Registers are shared by multiple cores via an external bus
- 4Registers are closer to the ALU and require fewer clock cycles to access✓
Correct answer
Registers are closer to the ALU and require fewer clock cycles to access
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