Input Device

DEVICE	FUNCTION
MICROPHONE	Device for converting sound waves into electrical energy
KEYBOARD	An input device that enters data with letters, numbers, symbols, and special function keys.
MOUSE	a hand-operated electronic device that controls the coordinates of a cursor on your computer screen as you move it around on a pad
TRACKERBALL	Input Devise that behaves like a upsidedown mouse.
JOYSTICK	a manual control consisting of a vertical handle that can move freely in two directions
TOUCHSCREEN	Input device where you use your finger to "point" to an object on the screen.
LIGHTPEN	is a handheld input device that can detect the presence of light.
GRAPHIC TABLET	A graphics tablet is a computer input device which allows the user to hand-draw an image, similar to how a person draws an image with pencil and paper. These tablets are mainly used to draw an image by hand, which is inputted onto the computer, they are also used for collecting signatures.
BARCODE READER	An input device that converts a pattern of printed bars into a number that a computer can read.
SCANNER	A device that converts printed documents into digital file formats.
DIGITAL CAMERA	A device that converts analogue light into digital data and stores it for later reproduction