Chapter 4 Input/Output

2. An input device containing number keys that can be used to input letters, numbers,
5. in digital form.
6. or an image displayed on a display screen.
9. An input device that reads the printed text and graphics and transfers them to a
12. printer An output device designed to print threedimensional
13. reader An input device that reads barcodes.
14. An output device that produces output on paper.
16. input to the connected device.
17. A display device for a desktop computer.
18. camera An input device that takes pictures and records them as digital images.
20. such as product
22. A technology used to store and transmit data located in RFID tags.
23. An input device that is used to write electronically on the display screen.

1. The ability of a computer to recognize scanned text characters and convert them to
3. form as text, not images.
4. printer A small lightweight printer designed to be used while on the go.
7. A personal audio output device used be an individual so only he or she can hear the
8. recognition The ability of a device to identify handwritten characters.
10. projector A display device that projects all computer output to a wall or projection screen.
11. screen A display device that is touched with the finger to issue commands or otherwise
15. The smallest colorable area in an electronic image, such as a scanned image, a digital
18. that uses charged liquid crystals to display images.
19. other symbols.
21. that represents data as a set of bars.
24. A type of flatpanel