| A | B |
|---|
| Optical Mark Reader (OMR) | Reads and scores answer sheets to standardized tests. |
| Optical Character Reader (OCR) | Reads hand printed letters that must be placed into boxes on special forms. |
| Magnetic Ink Character Reader (MICR) | Reads characters printed on bank checks and deposit slips. |
| Bar Code Scanner | Reads the UPC (Universal Product Code) from packages of almost any product in the stores. |
| Microphone | Changes sound waves to electronic signals that go into the computer. |
| keyboard | The most often used input device. Almost every computer has one. |
| mouse | A desktop input device that we use to 'point, click and drag' icons on the screen. |
| digitizer | An input device that changes a graphic image into number data so that it may be stored and processed by the computer. |
| magnetic scanner | An input device that reads the magnetic stripe on the back of an ATM card or a credit card. |
| joystick | an input device often used for video games like "Flight Simulator.' |
| Real Time Sensors | Can be a number of different input 'sensors.' Photo cell, thermister (temps) pressure sensors, etc. |
| Light Pen | Often used as an input device with older CAD systems. Sensors in the video screen pick up the light at the tip of the pen. |
