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Data communication requirements Of computer systems

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1 Author(s)
John C. McPherson ; International Business Machines Corporation

Teleprocessing systems are mushrooming throughout public and private industry: computer-to-computer links form an integral part of our national defense system and air traffic control; manned terminal-to-computer systems establish reservations on airlines and at motels; hybrid systems keep our tax returns honest. But these computer centers, remote terminals, and displays are often a part, and require lines of direct communication A large number of inexpensive, switchable data channels are needed, with a speed resolution of 10 to 20 characters per second, for connecting human-operated terminals to a multiplex of special-purpose computers. Machine-to-machine communication requires channels with high-speed data resolution that are several orders of magnitude faster, with virtually error-free performance.

Published in:

IEEE Spectrum  (Volume:4 ,  Issue: 12 )