Telematics Systems and Applications

Qo'shildi 2013-05-02

The computer industry is young compared to other industries, e.g., automobiles and air transportation. However, computers have made spectacular progress in a short time. During the first two decades of their existence, computer systems were highly centralized, usually within a single large room. A medium-size company or university might have had one or two computers, while large institutions had at most a few dozen. The merging of computers and communications has had a profound influence on the way computer systems are organized. The concept of the computer center as a room with a large computer to which users bring their work for processing is now totally obsolete. The old model of a single computer serving all of the organizations computational needs has been replaced by one in which a large number of separate but interconnected computers do the job. These systems are called computer networks.

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