case study of input output devices in detail
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Input Device
The input device is any hardware device that sends data to the computer, without any input devices, a computer would only be a display device and not allow users to interact with it, much like a TV. Examples of input devices are keyboard, webcam scanner, video capture device and mouse. When the people use keyboard to typing, the keyboard will send the data to computer, the word will be show into the monitor.
Output Device
Output devices such as a monitor or printer make information you input available for you to view or use. A display device is an output device that visually conveys text, graphics, and video information. Information shown on a display device is called soft copy because the information exists electronically and is displayed for a temporary period of time. Display devices include CRT monitors, LCD monitors and displays, gas plasma monitors, and televisions.