Input devices

2. These devices let automatic doors open.(6)
5. A input device used frequently for text. (8)
9. This type of reader is useful in shops and restaurants to pay.(4)
11. Retinas are important.(4)
12. Used to stop people stealing the equipment.(11)
15. e.g. Barcodes... the older type of storage code.
16. Input device used for sound recording.(10)
17. Used with computers to film. (6)
20. A type of code that stores more than the older type of code e.g QR codes.(6)
21. Used in both retro and modern gaming.(8)

1. An example of a matrix code.(2,4)
3. An input animal.(5)
4. e.g A technological version of pen and paper used by modern artists.(14)
6. Commonly used in modern smartphone technology to control the technology.(11)
7. This type of recognition focuses on your appearance.(6)
8. This type of recognition is useful for police.(11)
10. Translates a physical document into a text file on a computer.(7)
13. Singers uses their _____.(5)
14. Scanners that use your body as passwords.(9)
18. A monochrome linear code translated by scanners, mostly used in shops.(7)
19. Abbreviation for a type of scanner that recognizes simple marks.(3)