Micros 9700 System Administrator Guide - ladyproblems.org.uk

computing at columbia timeline - 1930 31 previously professor wood had convinced watson to build special difference tabulators which ibm called columbia machines and delivered in 1930 31 these machines could process 150 cards per minute and were unique in their ability to rapidly accumulate sums of products or squares the statistical bureau soon became a service provider to outside organizations like the rockefeller