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What is the main purpose of a bus matrix in ARM architecture?

easy📝 Conceptual Q11 of 15
ARM Architecture - Bus Architecture
What is the main purpose of a bus matrix in ARM architecture?
ATo convert analog signals to digital
BTo connect multiple masters to multiple slaves efficiently
CTo store data temporarily during processing
DTo increase the clock speed of the processor
Step-by-Step Solution
Solution:
  1. Step 1: Understand the role of a bus matrix

    A bus matrix is designed to connect multiple masters (like CPUs or DMA controllers) to multiple slaves (like memory or peripherals) efficiently.
  2. Step 2: Identify the correct function

    It allows simultaneous data transfers and manages access conflicts, improving system performance.
  3. Final Answer:

    To connect multiple masters to multiple slaves efficiently -> Option B
  4. Quick Check:

    Bus matrix = connects masters and slaves [OK]
Quick Trick: Bus matrix connects masters and slaves, not speeds or storage [OK]
Common Mistakes:
  • Confusing bus matrix with processor clock speed
  • Thinking bus matrix stores data
  • Mixing bus matrix with signal conversion

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