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Web Technology consists firstly of a set of formats for data
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If data is type of information that appears in books, then format tells you things like "center text", "start new paragraph" etc.
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Web formats include GIF or JPEG for images, HTML for documents and VRML for 3D pictures. These are used to specify stored data
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The other component of Web technology is software such as Java JavaScript and Perl which are used to give instructions to compute.
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These formats and software produce information displayed by HTML or VRML browsers
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Web technology is so powerful as complete model for computing and communication and Java is a universal language
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