Input Devices Manual and Automatic. By Pili Leopi y Gaby. Manual . Keyboard Used to input data into the computer Advantage They are very common; all computers have one and they are easy to use. Disadvantage Easy to make mistakes if you can’t type quickly. Concept Keyboard
By PiliLeopiy Gaby
Mouse Enables you to control the movement of the on screen curser by moving it around a surface
OCR Stands for Optical Character Recognition. It enables the computer to identify written or printed characters which have been scanned in.
Magnetic Stripe Build into back of plastic cards, e.g. identity cards or credit cards. Holds information about the card owner.
Sensors are used to detect physical quantities outside a computer such as temperature, pressure and light.
To be able to process input from sensors a device called an analogue to digital converter must be connected between the computer and the sensors. This device converts signals from sensors into digital data that the computer can process