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The 1970s were also the start of fiber optics. In 1970 Corning Glass announced that it had created a glass fiber so clear that it could be used
to communicate pulses of light. -
The birth of modern computing was in the 1970s.
The world's first general microprocessor, the Intel 4004, came out in November 1971. -
The C programming language was developed early in the decade and the Unix operating system was rewritten into it in 1973.
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In 1976, Cray Research, Inc. introduced the first supercomputer, the Cray-1, which could perform 230,000,000 calculations per second.
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The first BBS, called the Computerized Bulletin Board System (CBBS), was created in 1978 by Ward Christensen and Randy Suess.