Hardware

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Across
  1. 3. A temporary register in the CPU for storing numerical values during operations.
  2. 5. A CPU with four cores.
  3. 8. (CPU) Executes all instructions and processes data in a computer.
  4. 10. Storing data on remote servers accessed via the internet.
  5. 12. A series of lines of varying thickness representing data, scanned by a reader.
  6. 14. Uses two conductive layers that meet when touched.
  7. 16. Allows users to control an onscreen cursor, like a mouse or trackpad.
  8. 19. A screen operated by touch, often using capacitive or resistive technology.
  9. 21. A temporary IP address assigned on network login.
  10. 26. (PC) Stores the address of the next instruction to execute.
  11. 28. Transfers control signals between the CPU and other components.
  12. 35. Coordinates data flow and program execution by sending control signals.
  13. 37. The collection of machine code instructions a CPU can execute.
  14. 39. A selflighting display technology needing no backlight.
  15. 44. (MDR) Stores data being read from or written to memory.
  16. 45. A label for a memory location used to track data.
  17. 47. Temporary storage in the CPU for holding instructions or specific data.
  18. 48. (MAR) Stores the memory location address being read or written.
  19. 49. Part of the CPU that performs arithmetic and logical operations.
  20. 50. A combination of hardware and software for specific tasks.
  21. 51. Data can travel in both directions.
  22. 52. (CIR) Stores the current instruction being processed.
  23. 53. Uses a LED to track movement and relay coordinates to a computer.
  24. 54. Converts digital data into electric currents for devices.
Down
  1. 1. An unchanging IP address.
  2. 2. Uses changes in screen capacitance to detect touch.
  3. 4. A lightsensitive chip used in cameras and scanners.
  4. 6. Converts analogue signals into digital data.
  5. 7. Routes data between networks, like connecting a LAN to a WAN.
  6. 9. The time for one clock pulse, measured in GHz.
  7. 11. Converts electrical signals into sound.
  8. 13. A chip generating electric current for light sensing.
  9. 15. Memory with permanent, unchangeable data.
  10. 17. Programs for initializing hardware during bootup.
  11. 18. Carries memory addresses throughout the system.
  12. 20. Highspeed memory for frequently accessed data, improving CPU performance.
  13. 22. Data travels in one direction only.
  14. 23. A computer design concept with stored programs introduced in the 1940s.
  15. 24. Part of a machine code instruction specifying the action to perform.
  16. 25. Part of a machine code instruction specifying the data to use.
  17. 27. Uses secondary storage to extend physical RAM.
  18. 29. Primary memory for temporary data storage.
  19. 30. Converts printed or handwritten text into digital format.
  20. 31. A processing unit within the CPU; CPUs can have multiple cores.
  21. 32. Transfers data between the CPU, memory, and input/output devices.
  22. 33. Converts electrical energy into mechanical motion.
  23. 34. Produces timing signals for synchronization.
  24. 36. The process of fetching, decoding, and executing instructions.
  25. 38. Storage using laser light, like CDs, DVDs, and Blurays.
  26. 40. Uses infrared beams and sensors to detect touch.
  27. 41. Hardware allowing a device to connect to a network.
  28. 42. Memory that loses data when power is off.
  29. 43. A CPU with two cores.
  30. 46. A matrix of squares representing data, readable by cameras.