The Complexity Of Different Output Devices Essay - 2724 Words

Introduction When looking at things such as watching TV, browsing through the Internet or even looking at your mobile phone, it seems like something simple. However, this is not the case. Processes related to how information is received through devices are very complex, these are known as Display Output Devices. They are responsible for receiving data in different forms: images, videos, numbers, words, and even sounds. Examples of these devices include televisions, computer screens, mobiles, printers and cameras. This paper will discuss the complexity of different output devices, functions they carry out, and how the functions are carried out. (Output device, Wikipedia, 2014). Part 1 : projectors are output devices that take images already saved on computers or captured by mobiles and reflect these images on a flat surface. There are three types of projectors which are : LCD(liquid crystal display), DLP(digital light processing) and CRT (cathode ray tube ) and also there are two important things we must know before purchasing a projector which are the brightness and resolution. The quality of the brightness differs from one type to another so if we talk about LCD so the brightness lamp must be between 800 and 1000 to get a shiny image but for DLB the brightness lamp must be 1000 not less than this, but if we want to get a perfect clear image the resolution must be XGA or WXGA but VGA and SVGA more cheaper but give less quality compared to XGA or WXGA so if we want aShow MoreRelatedCross Platform Authentication Pairing Codes780 Words   |  4 Pagesgrant access to the user to different kind of private information. This code could be a single letter and com bination, or more advanced authentication methods such biometric authentication. 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