Input and Output Devices

6. a computer input device that uses optical sensor technology to detect movement
7. printers rely on spraying liquid ink droplets from a reservoir onto paper;
8. scan solid objects and produce a 3D image that can then be used in CAD software
10. type of printer that uses laser technology to produce high-quality prints.
12. display screens that can detect and respond to touch input from fingers or styluses.
14. made up of many tiny light emitting diodes.
16. the most common form and are generally used to input hard copy (paper) documents.
17. either built into the computer or are external devices connected through the USB port or using Bluetooth connectivity

1. two-dimensional barcodes that store information such as URLs, text, or contact details.
2. a series of dark and light parallel lines of varying thickness.
3. uses many micro mirrors arranged on a DMD chip.
4. the most common method used for data entry.
5. used to project computer output onto a larger screen or interactive whiteboard
8. are used to produce solid objects that actually work.
9. devices that convert input signals or energy into physical motion or mechanical action
11. made up of millions of tiny liquid crystals arranged as a matrix of pixels.
13. is a type of video projector that uses liquid crystal panels to project images onto a screen or surface.
15. electronic devices that capture and store images in digital format.