Improving Computers Over Time By SalmaUriostegui Jan 1, 1642 French philosopher Blaise Pascal invented the Pascalene Oct 18, 1700 Gotfried von Leibniz invents device that divides, adds, subtracts, and multiplies Oct 18, 1819 Joseph Jacquard discovers weaving instructions could be stored on cards with ounched holes in them. Oct 18, 1850 Charles Babbage invented two calculating devices. Oct 18, 1900 Herman Hollerith invented calculating device run on electricity and used punch cards to store data. Oct 18, 1944 Mark I was invented by IBM and Harvard Univesity. Howard Aiken being the leader. Oct 18, 1946 ENIAC was built at the University of Pennsylvania. Oct 18, 1948 John von Neumann gave design rules used in today's computers. Aug 17, 1951 UNIVAC is built and sold to the US Census Bureau. Oct 18, 1956 Invention of transistors results in smaller,faster, and, more reliable computers. Also presenting FORTRAN and COBOL, two early programming languages. Oct 18, 1970 Microprocessor ,an entire CPU on a single chip is invented. Oct 18, 1977 The first Apple Computer design is made by Stephen Wozniak and Steven Jobs in their garage. Oct 18, 1980 Clones of IBM are used to make personal computer more affordable. Oct 24, 1990 Many people are able to afford computers. Oct 24, 2013 Now computers are more powerful, reliable, and easy to use.
