HIS 2129 Chapter Notes - Chapter 11: Darpa, Apple I, Dot-Com Bubble
Document Summary
Chapter 11 summary remote control: the information revolution. Technology & environment in north american history (pages: 197-210) by jean-louis trudel. Computus calculation by monks for date of easter, so this led to people (those performing the calculations) to be known as computers. 18th century computing stemmed from astronomy. 18th century mathematicians were breaking down their problems into the ordinary operations of arithmetic (addition, sub, division, multiplication) Calculators were a huge improvement than relying solely on humans to do calculations. University of toronto made calvin gotlieb their chief computer. 1st calculating machines were built in 17th century. Pascal developed a calculator that could add/subtract and then leibniz developed one that could also multiply and divide. Thomas who built an arithmometer 1855 that could multiply two 15-digit numbers which eventually led to commercial calculators. Hollerith invented a census tabulator in 1884. The computing-tabulating-recording company had 4 companies (1911): tabulating machine company, international time recording company, bundy manufacturing, computing scale of america.
