The CPU

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Across
  1. 2. Holds memory location of the instruction or data to be fetched or stored
  2. 5. Special purpose, very fast memory location in which operations are carried out
  3. 6. Hardware that executes programs
  4. 8. AND, OR and NOT
  5. 10. Data or program is temporarily held here
  6. 12. Holds the memory address of the next instructio to be processed
  7. 13. Holds the current instruction to be executed
  8. 14. Used to move program instructions and data between main memory and the processor
Down
  1. 1. Bus which carries signals to coordinate all the computer activities
  2. 3. All calcuclations are carried out here
  3. 4. Operations that include addition, subtraction, multiplication and division
  4. 7. Location in memory
  5. 9. Buses these from processor to memory and input/output devices
  6. 11. Sends data between the processor, memory and input/output devices