This article is part of our Essential Guide: CW@50 - Celebrating 50 years of British technology innovation

CW@50: News in August

6/11

August 1, 1974: Two problems for data networks – cost and standards part 1

Source:  TNMOC

The early development of computer communications consisted of adding modems to the telephone network to provide data transmission.

For higher line speeds or line utilisation or for clusters of terminals the most economic systems proved to be private networks using leased lines. One of the earliest of these is SITA, which serves a widely spread group of users.

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