ARM Architecture - Bus Architecture
A system's bus width is 16 bits, but the data transfer rate is unexpectedly low. Which of the following could be a likely cause?
A system's bus width is 16 bits, but the data transfer rate is unexpectedly low. Which of the following could be a likely cause?
medium📝 Analysis Q14 of 15
Step-by-Step Solution
Solution:
Step 1: Understand factors affecting transfer rate
Data transfer rate depends on bus width and clock speed.Step 2: Identify cause of low transfer rate
If bus width is fixed at 16 bits, a low clock speed reduces transfer rate.Final Answer:
Bus clock speed is too low -> Option DQuick Check:
Low clock speed lowers transfer rate [OK]
Quick Trick: Low clock speed slows data transfer despite bus width [OK]
Common Mistakes:
- Blaming bus width when it's fixed
- Confusing CPU speed with bus speed
- Assuming memory size affects bus speed
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