Across
- 1. Personal computers
- 3. Media access control
- 7. Personal digit assisteants
- 8. Desktop publishers
- 11. Graphical user interfaces
- 12. Automatic teller machines
- 14. Basic input/output system
- 15. Command line interfaces
- 16. Optical character recognition
- 19. Combat disk
- 20. Magnetic ink character recognition
- 21. Personal identification number
Down
- 2. Complementary metal oxide semiconducter
- 4. Computer aided design
- 5. Electronic point of sale
- 6. Central processing unit
- 9. Thin film transitor
- 10. Universal serial bus
- 11. Global positining
- 12. Analogue to digital converter
- 13. Read only memory
- 15. Computer aided design
- 16. Optical mark recognition
- 17. Random access memory
- 18. Windows icons menu and pointing device
- 19. Cathode ray tube