Across
- 1. language of the computer
- 2. combines videos and sounds
- 4. invented the pascaline
- 6. first calculating device
- 11. clean up and repair programs
- 13. first machine to be programmed
- 14. boss of the cpu
- 15. to do research
- 16. collection of programs
- 17. store high quality files
- 18. computer's memory
- 20. a set of instructions
- 21. father of computing
Down
- 1. can be used in cell phones
- 3. help us to learn
- 5. projects on surfaces
- 7. processing device
- 8. print large designs
- 9. used in the US census
- 10. the name of the keyboard we use
- 12. to have video conversations
- 19. to write on a touch screen