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Whirlwind
Whirlwind was the first computer to display output with the use of video display. The first version had 512 bytes of memory and could do 20,000 instructions per second. It was created by Jay Forrester and first went online on April 20, 1951. https://history-computer.com/ModernComputer/Electronic/Whirlwind.html -
UNIVAC
UNIVAC was created by J. Presper Eckert and John Mauchly, whom also created ENIAC. UNIVAC was the first commercially produced digital computer. It was sold to the U.S. Census Bureau on June 14, 1951 and gained fame by predicting the Dwight D. Eisenhower victory after only a small amount of votes had been submitted. https://www.history.com/this-day-in-history/univac-computer-dedicated -
Harwell Dekatron aka WITCH
This computer was finished in 1952 and, after some restoration, is still in running order today. It was awarded the "World's Most Durable Computer" by Guinness Book of World Records in1973. It was created to automate calculations then being performed on hand calculators at the Atomic Energy Research Establishment. https://www.tnmoc.org/witch -
IMB 702 Processing System
This electronic data processing machine was originally created for business use but was also capable of handling scientific and engineering applications. It was first installed in July of 1955. The 702 was capable of performing 10 million operations in one hour. https://www.ibm.com/ibm/history/exhibits/mainframe/mainframe_PP702.html -
IMB 7090 Data Processing System
This computing system was created to aid engineers and scientists to design missiles, jet engines, nuclear reactors, and supersonic aircraft. They were also used in the Air Force's Ballistic Missle Warning System. The system was first installed in December 1959. https://www.ibm.com/ibm/history/exhibits/mainframe/mainframe_PP7090.html
