Input Devices

2. tiny elements on an image made of red, green and blue color
3. this is used to recognize and display information about a vehicle
9. electrically activated valves, typically used to control the flow or direction of air or liquid
10. made up of a matrix of filled-in dark squares on a light background
13. a device that detects to some type of input from the physical environment
15. Converts a hard copy document into an electronic form to be stored into the computer
16. Entering text into a Word or Google document

1. reads a series of dark and light parallel lines of varying thickness
4. used to point and select text on a document
5. an actuator is a device that makes something move or operate.
6. a display device that allow the user to interact with a computer by using the fingers or stylus
7. is an electromagnetic switch. It is used to turn on or off a circuit by a low power signal
8. Scanning a solid object and produce a 3D image
11. an injury caused by the repetitive motion and extended use of a device
12. upside-down mouse with an exposed protruding ball
14. Input a user’s voice into a computer