Structure and Function of the processor

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1. What does the MAR Store?

  • The instruction while it is being decoded and executed
  • The next piece of data to be read/written or the next instruction to be used
  • The contents of the address specified in the MDR
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2. What does the MDR Store?

  • The next piece of data to be read/written or the next instruction to be used
  • The contents of the address specified in the MAR
  • The instruction while it is being decoded and executed

3. What is stored in cache?

  • Most common instructions
  • Priority queues
  • Uncommon instructions
  • Data that needs attention from processor

4. What does SUB mean in LMC?

  • Subtract two numbers
  • Initialize Subroutine
  • Submarine

5. Which of these is an advantage to Harvard architecture?

  • Parallel access to data and instructions
  • Serial instruction processing
  • Bottleneck

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