IBM 1620
Programming language
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The IBM 1620 was announced by IBM on October 21, 1959, and marketed as an inexpensive scientific computer. After a total production of about two thousand machines, it was withdrawn on November 19, 1970. Modified versions of the 1620 were used as... Wikipedia
CPU: Transistorized, built with SMS cards, variable 12-72 bit words @ 50 kHz (20 us)
Memory: 20,000-60,000 words (Core memory)
Release date: 1959