Across
- 3. an instrument or device used for observing
- 6. used for hitting a tennis ball
- 7. a system for transmitting visual images and sound that are reproduced on screens
- 9. what do you use to connect to the internet
- 10. Hard disks may be internal or ______
Down
- 1. used for texting
- 2. a printed circuit board containing the principal components of a computer
- 4. global system of interconnected computer networks
- 5. was used to decapitate people
- 8. a machine with moving parts that converts power into motion