CPU and BUS

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Across
  1. 3. Holds the address of the instruction or data which is to be executed.
  2. 4. An unidirectional bus which carries the address of the memory location.
  3. 7. Stores the instruction picked up from the memory.
  4. 10. Transfers the data along both the directions.
Down
  1. 1. Transfers the control signals like READ, WRITE necessary to fetch and execute any program.
  2. 2. Increments the pointer to the next instruction.
  3. 5. Parallel wires that carry several bits at a time.
  4. 6. Holds the data or instructions fetched from the memory location.
  5. 8. Very high speed memory units in the CPU.
  6. 9. The component of the computer that perform the bulk data processing operations.
  7. 11. Performs the arithmetic and logic operations.