Another ONR document, also courtesy of bitsavers:<p>"A Survey Of Automatic Digital Computers 1953"<p><a href="https://archive.org/details/bitsavers_onrASurveyomputers1953_8778395/mode/2up" rel="nofollow">https://archive.org/details/bitsavers_onrASurveyomputers1953...</a><p>This document is a list of all the computers in the world at the time, and they are measured by the following metrics:<p>Square feet of floor area, kilowatts of power required, and how many people it takes to operate.<p>I found that because there was a quote in "Turing's Cathedral" by George Dyson:<p>"In March of 1953, there were 53 kilobytes of high-speed random-access memory on planet Earth"<p>We've come a long way from slide rules.