Lesson 6

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Across
  1. 3. Grab and hold the next instruction to be executed
  2. 5. Holds data that is being used and the results of calculations or logic
  3. 9. Informs the user if an interrupt happened
  4. 10. Holds the address of the RAM you are reading or writing from
  5. 11. Holds the current instruction being executed
  6. 12. This makes the hardware work and is a program
  7. 14. Holds the instructions used by the CPU, can also be called primary memory
  8. 15. The brain of the computer
  9. 16. Something you enter into the computer
  10. 18. Carries the address of memory locations that store memory and instructions between the processor and CPU
Down
  1. 1. How the registers run programs
  2. 2. Transfers binary data between memory locations
  3. 4. Signals that control when things happen within a computer are moved by this bus
  4. 6. Controls how the data moves between the processor and CPU
  5. 7. Memory locations within the CPU
  6. 8. Holds any data about the last operation
  7. 10. Holds the data read from RAM or are going to write to RAM
  8. 13. Carries out calculations and logic
  9. 17. The physical components of a computer