EECS 1520 Study Guide - Quiz Guide: Supercomputer, Fluid Dynamics, Parc (Company)

• School: York University
• Department: Electrical Engineering and Computer Science
• Course: EECS 1520
• Professor: John Hofbauer

Document Summary

Understanding the digital world: what you need to know about computers, the internet, privacy and security (new edition on sale january 24th, 2016) or d is for digital textbook () A brief history of computing: part 1 up to 1930s. Earliest computing devices designed to aid numeric computation. Abacus: first developed in babylonia, over 5000 years ago and still used today, still used as a children"s toy or keeping score in games. Position of beads/knots used to indicate values (numbers can be added or subtracted by moving beads or knots) Idea of numbers themselves, positional system is brilliant in terms of its design and simplicity. Blaise pascal, decimal calculator, could add and subtract. G. w. f leibniz, stepped reckoner , full-featured calculator, ( leibniz wheel for multiplication) Weaving plays an important role in info processing. First true pioneer of modern computing machines, he designed two calculating machines, neither of which was practical to build, difference engine.