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Input Devices are electronic components used in conjunction with computers and computer accessories to facilitate user interaction. They enable data input, communication, and control of various functions within a system. Examples of input devices include keyboards, mice, webcams, touchscreens, microphones, gamepads, joysticks, scanners, and biometric devices such as fingerprint readers. These devices serve as interfaces between the user and the computer, allowing for seamless interaction and efficient task completion.