Tag Archives: early computers

My Second Computer

In 1971 the first personal computer, the Kenbak-1, became available. Only 40 were sold. The real personal computer revolution started, I think, with the availability of the Altair computer kit in 1975 and the Apple 1 in 1976. Also, in … Continue reading

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Early Turing-complete Computers

Before and during World War II all computers were special purpose machines, each designed to solve a particular war related problem. After the war computers continued to be invented at a rapid pace, but the focus shifted to general purpose … Continue reading

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Why were early computers so late?

When I was born, in 1938, there were no computers. The word “computer” meant a person who used a calculator. I don’t know why computers did not exist then. The seeds had been planted well before. The first general-purpose computer … Continue reading

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