fetch-decode-execute cycle

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1. what is the use of the mbr?

  • buffers data coming from external networks
  • where data is decoded before execution
  • to temporarily store data whilst it's waiting to be processed
  • buffers data depending on internet speed
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Other questions in this quiz

2. what is the key difference between von Neumann and Harvard architecture?

  • Harvard uses two seperate buses for data and instructions
  • von neumann uses control buses
  • von Neumman uses intel processors whilst Harvard use AMD
  • Harvard decodes the data in the main memory

3. what does the program counter store?

  • the current instruction in the processor
  • the address of the next instruction
  • the number of instructions completed
  • the next instruction

4. What does the MAR do?

  • holds the memory location of data
  • stores data under this register in the memory
  • buffers memory in the processor waiting to be executed
  • volatile memory

5. In the fetch part of FDE cycle what bus does it use to collect data from the memory?

  • instruction bus
  • address bus
  • data bus
  • control bus

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ZR6

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Theres a wrong answer.  The data bus sends/receives data.

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