Input Devices, ContinuedPressuresensitive orelectronictabletsLight pensMicrophonesPressure sensitive and electronic tablets are primarily freehand drawingdevices. Sensitive to pressure from the hand, the tablet recreates the thickand thin strokes made on the tablet to the screen.Figure 3-4 shows a pressure sensitive or electronic tablet.Figure 3-4. —A pressure sensitive or electronic tablet.Light pens are similar to ball-point pens; however, the drawing surface is thescreen itself. The light pen activates the photoelectric circuits of the screento produce an image.Microphones prompt voice activated computers to perform specific functions.The computer recognizes a voice pattern and responds by following thecommand. Similarly, musical instruments can be fed through a computer tocreate electronically enhanced recordings.3-11
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
