Across
- 5. sends signals to a computer using infrared waves
- 7. reflects light captured by an optical light reader
- 9. Uses an arrangement of electrical switches to send info to a divice
- 10. sends network traffic to a specific device
Down
- 1. made of special cells that detect dark data from a digital grid
- 2. sends motion info using electrical scanners
- 3. vertical bars that represents a 10 digit number
- 4. captures analog pictures and convert it to digital code format
- 6. uses an LED light to detect motion and send information to a device
- 8. 2 dimensional code that can be digitally