Input+Devices

An Input Device is any periperal (a piece of computer hardware) that allows a user to enter raw data into a computer. This data is then processed by the CPU (Central Processing Unit). Input Devices allow the user to interact with the computer.

For the Exam, you need to know about the following five Input's Principles of Operation in detail:

 * ===Bar Code Reader===
 * ===Flatbed Scanner===
 * ===RFID reader===
 * ===Touch-Sensitive Screens===
 * ===Digital Still Cameras===

**You also need to know about the following input device's purpose and suitablitiy:**

 * ===**Mouse**===
 * ===**Keyboard**===
 * ===Fingerprint Scanner===
 * ===**Retina Scanner**===
 * ===**Iris Scanner**===
 * ===**Optical Mark Reader**===
 * ===**Optical Character Reader**===
 * ===**Magnetic Stripe Reader**===
 * ===**Smart Card Reader**===
 * ===**Graphics Tablet**===
 * ===**Voice Recognition **===