Hardware crossword

Across

1. a register that stores the address of the memory location currently being read from or written to
3. CPU with four cores
5. increasing clock speed beyond recommended settings
6. data travels in both directions
7. on-screen keyboard using touch input
10. print head moves in x, y, z directions
11. storage directly accessible by CPU (RAM & ROM)
13. CPU unit consisting of ALU, control unit, and registers
14. complete set of machine code instructions for a processor
17. the component of the CPU that carries out all arithmetic and logical operations
21. offsite storage on remote servers
22. cycle clock speeds measured in GHz; represents system clock frequency (e.g. 3.5 GHz = 3.5 billion cycles per second)
24. temporary general-purpose register that stores numerical values at any part of a given operation
31. hardware and software designed for a specific function
32. touch screen detects touch via contact between layers
33. memory that can only be read
34. firmware programs used to initialise a computer during boot-up
35. temporary CPU component that holds data or instructions during processing
36. converts electrical energy into movement
37. location a numbered place in memory where values can be stored
38. produces timing signals on the control bus to ensure synchronisation takes place
39. automatically assigns IP addresses
40. bus carries memory addresses
41. fixed IP address
43. CPU with two cores
45. mouse uses LED to track movement
47. memory that can be read and written
49. uses lasers (CD, DVD, Blu-ray)
50. a label for a memory location used by the CPU to track data
51. touch screen detects touch via changes in capacitance
52. excessive swapping causing slowdown
54. a type of computer architecture which introduced the concept of the stored program in the 1940s
55. bus carries data between CPU, memory, and I/O devices
56. a register that stores the current instruction being decoded and executed
58. inkjet method using heat to eject ink
59. uses secondary storage to extend RAM

Down

1. a register that stores data that has just been read from memory or data that is about to be written to memory
2. touch screen detects touch using IR beams
4. the component of a computer’s CPU that ensures synchronisation of data flow and programs throughout the computer by sending out control signals along the control bus system
5. emits light using electron movement
8. usually a chip made from a semiconductor material which carries out the same tasks as a larger circuit made from individual components
9. crystal vibrates to push ink onto paper
12. cycle of fetching, decoding, and executing instructions
15. hardware enabling network connection
16. loses data when power is off
18. temporary memory using SRAM to hold frequently used data/instructions to improve CPU performance
19. screen that detects touch input
20. part of machine code that identifies the operation
23. access store (IAS) memory that holds all data and programs needed to be accessed by the control unit
25. bus carries control signals from the control unit
26. connections between major components carrying data, addresses, or control signals
27. data travels in one direction only
28. part of machine code that identifies data to be used
29. matrix of squares representing data readable by camera
30. responsible for the execution or processing of all the instructions and data in a computer
42. Address unique hardware identifier
43. IP address temporary IP address assigned
44. pattern of lines representing data, read using light
46. a register that stores the address where the next instruction to be read can be found
47. injury caused by repetitive strain
48. converts electrical signals into sound
53. store secondary storage device (e.g. HDD or SSD) used to store data permanently
57. directs data between networks