An example of input devices of a computer is an optical character reader. An input device is a piece of computer hardware that helps in entering data or information into a computer. An optical character reader (OCR) is a device that scans printed or written text and converts it into digital data that can be processed by a computer. OCRs are commonly used for tasks such as digitizing printed books, converting handwritten documents into machine-readable text, and recognizing text on license plates or passports. Other examples of input devices include a keyboard, mouse, scanner, microphone, and touchpad.