Across
- 7. type of touchscreen based on glasses functioning as capacitors which generate electric fields, changing when touched
- 10. a.k.a. QR, a matrix of dark squares on a light background, holding over 7000 digits
- 11. ball-shaped pointing device that is fixed to a spot
- 13. touchscreen based on polyester and glass, where a circuit is completed when top layer is pressed down
- 18. 3D scanner that builds up 3D objects via slices, uses X-rays
- 19. cell made of pixels that captures a photo
- 20. a.k.a. CCD, consists of pixels that turns a scanned image into eletcronic form
Down
- 1. separates the left and right-hand sides of the barcode
- 2. series of dark and light parallel lines of varying thickness, representing 0 through 9
- 3. infra-red touchscreen that uses an array of sensors to sense the point of contact
- 4. a.k.a. MRI, uses radio frequencies for 3D scanning
- 5. device that captures photo when light passes through lens, replaced traditional camera
- 6. uses touch to perform functions
- 8. method that uses a microphone to try to identify the speaker's voice
- 9. type of keyboard that aims to reduce RSI and other such injuries
- 12. method that uses a microphone to try to recognise words spoken by user
- 14. inputs analogue data from the physical surroundings, such as temperature, light etc.
- 15. sensor that controls a cursor via moving a finger across the surface, usually used by laptops
- 16. infra-red touchscreen that needs warm object to interact with screen
- 17. barcode that uniquely identifies the stock item in the stock database