Across
- 3. a secret word or code
- 4. to make a paper copy of sth
- 7. a small computer camera
- 9. age group
- 10. to make a duplicate
Down
- 1. a spare copy of a file
- 2. device used to listen sound
- 5. informal name
- 6. scientific knowledge for practical purposes
- 8. information stored on a PC