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World-Infostructure World-Infostructure provides information on a variety of topics that enable to understand the context in which actual developments in the field of new media and technologies happen. The timeline of communication systems presents a chronological overview of the most important events in the Slaves and expert systems is concerned with technological developments such as the invention of Related search: |
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Internet services The Internet can be used in in different ways: for distributing and retrieving information, for one-to-one, one-to-many and many-to-many communication, and for the access services. Accordingly, there are different services on offer. The most important of these are listed below. |
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Wide Area Network (WAN) A Wide Area Network is a wide area proprietary network or a network of local area networks. Usually consisting of computers, it may consist of cellular phones, too. |
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Electronic Messaging (E-Mail) Electronic messages are transmitted and received by computers through a network. By E-Mail texts, images, sounds and videos can be sent to single users or simultaneously to a group of users. Now texts can be sent and read without having them printed. E-Mail is one of the most popular and important services on the Internet. |
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Codices, 1th century B.C. The transformation of writings from scrolls to codices, in basic the hardcover book as we know it today, is an essential event in European history. Quoting accurately by page number, browsing through pages and skipping chapters, all impossible while reading scrolls, become possible. In the computer age we are witnesses to a kind of revival of the scrolls as we scroll upwards and downwards a document we just see a portion of. Maybe the introduction of hypertext is the beginning of a similar change as the replacement of scrolls by codices. |
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Roman smoke telegraph network, 150 A.D. The Roman smoke signals network consisted of towers within visible range of each other and had a total length of about 4500 kilometers. It was used for military signaling. For a similar telegraph network in ancient Greece see |
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