![]() ![]() ![]() So there was still that feeling that maybe there was time and space for electromagnetic relays. Would they be reliable enough, even though they’re loads and loads faster than relays (thousands of times faster in switching)? …of course, American computer designers at that time didn’t know that the British had already successfully built high performance digital electronic computers using thermionic valves, or vacuum tubes.Īnd they were sworn to secrecy after the war (for reasons we didn’t understand last time we spoke about it!), so there was still this feeling in the States that valve or tube computers could be more trouble than they were worth.īecause thermionic valves run really hot they’re quite large they require large amounts of power. Yes, it was done towards the tail end of the Second World War… You may better know this machine as the Mark I, which was a Frankenputer of sorts that mixed punch cards with electromechanical components and measured 51 feet long by 8 feet high, or roughly 15.5 metres by 2.5 metres.Īnd, Paul, the computer itself was almost obsolete before they got all the shrink-wrap off of it.ĭUCK. This week, on 07 August 1944, IBM presented the Automatic Sequence Controlled Calculator to Harvard University. But first, let’s start with Tech History. …hang in there, because it is exciting, if mildly alarming!ĭOUG. I know what’s coming at the end of the podcast, and all I’m saying is… Paul, a very happy day to you, my friend. Crocodilian cryptocrime, the BWAIN streak continues, and a reason to learn to touch-type.Īll that, and more, on the Naked Security podcast. ![]()
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