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

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

7. what is the use of the ALU

  • controls the data bus to regulate its network
  • where arithmetic and logic problems are performed
  • commands the entire CPU
  • decodes data before executed

8. what does the program counter store?

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