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An input device is a hardware or peripheral device used to send data to a computer. An input device allows users to communicate and feed instructions and data to computers for processing, display, storage and/or transmission.
Because input devices are geared toward user-computer interaction, they are used to transform user actions or commands into electronic signals that are understood by computers.
Examples of input devices include:
Input also may come from other computers via input/output (I/O) devices, like network adapters and Bluetooth devices.