Tag Archives: Alan Turing
After college I went to M.I.T. for my graduate work. I started at M.I.T. in 1959. I had to spend the first year and a half completing coursework for the Ph.D. qualifying exams and taking the exams. With that behind … Continue reading
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
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
Recently a friend of mine (I’ll call him Jim – not his name) asked me to teach him how to write computer programs. Since my current favorite language is Ruby, I suggested that he start with one of the Ruby … Continue reading