![]() ![]() The projector, as the name suggests, projects the data on a big surface or screen. It provides a user-friendly interface to access the information from the computer. It is also known as the visual display unit. It takes the electronic signal from the processor and displays it on the screen. The monitor is an example of a visual output device. ![]() For example, headphones, speakers, sound card, etc. The hardware equipment used to get the information from the computer in audio formats is called sound output device. For example, printer, braille reader, plotter, etc. The devices that provide a printed hard copy of the electronic data processed by the computer are called print output devices. Such type of output is generally textual by nature. The result of data output devices is readable and understandable by the user, but it can not be accessed otherwise. For example, a monitor, a projector, a video card, etc. Visual Output DevicesĪs the name suggests, if the user is able to see the result, or the output obtained is a picture or a video on the screen, then the device is said to be a visual output device. Output devices may be broadly classified into 4 categories: 1. On the basis of these, different types of output devices are obtained. A hardware device is capable of building a visible, audible, interpretable or physically accessible result.
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