Across
- 2. Performs system checks when starting main OS
- 5. Carries out instructions
- 7. Can be used to connect different peripherals
- 8. Lets peripherals communicate quickly with processor
- 9. Houses the graphics card
- 11. Old keyboards and mice use this to connect to the PC
- 12. Houses most of the computer's components
Down
- 1. Used for better sound quality. Usually already in the motherboard.
- 3. Funnels power to each device
- 4. Older printers and scanners use this to connect to the PC
- 6. Much older and slower than USB. Also known as COM
- 10. A very common way to connect different peripherals
- 13. Stores temporary information