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Which of the following correctly describes a bus clock speed?

easy📝 Factual Q3 of 15
ARM Architecture - Bus Architecture
Which of the following correctly describes a bus clock speed?
AThe amount of memory connected to the bus
BThe size of the bus in bits
CThe number of data transfers per second on the bus
DThe number of CPU cores using the bus
Step-by-Step Solution
Solution:
  1. Step 1: Understand bus clock speed meaning

    Bus clock speed is how many times per second the bus can transfer data.
  2. Step 2: Differentiate from bus width and memory

    Bus width is size in bits; memory size and CPU cores are unrelated to clock speed.
  3. Final Answer:

    The number of data transfers per second on the bus -> Option C
  4. Quick Check:

    Bus clock speed = Data transfers per second [OK]
Quick Trick: Bus clock speed = transfer frequency [OK]
Common Mistakes:
  • Confusing clock speed with bus width
  • Mixing bus speed with memory size
  • Assuming CPU cores affect bus clock

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