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john napier
inventor of logarithms and made common the use of the decimal point in arithmetic and mathematics. -
Blaise pascal
invented the mechanical calculator in 1642. first called the Arithmetic Machine, Pascal's Calculator and later Pascaline, this calculating machine could add and subtract two numbers directly and multiply and divide by repetition. -
charles babbage
The first mechanical computer created by Charles Babbage doesn't really resemble what most would consider a computer today. -
Lady Augusta Ada byron
English mathematician and writer chiefly known for her work on Charles Babbage's early mechanical general-purpose computer, the Analytical Engine. Her notes on the engine include what is recognised as the first algorithm intended to be carried out by a machine. Because of this, she is often described as the world's first computer programmer.[ -
Alan Mathison Turing
He was highly influential in the development of computer science, giving a formalisation of the concepts of "algorithm" and "computation" with the Turing machine, which can be considered a model of a general purpose computer. -
tommy flowers
Colossus was the world's first electronic digital computer that was at all programmable. The Colossus computers were developed for British codebreakers during World War II to help in the cryptanalysis of the Lorenz cipher. Without them, the Allies would have been deprived of the very valuable military intelligence that was obtained from reading the vast quantity of encrypted high-level telegraphic messages between the German High Command (OKW) and their army commands throughout occupied Europe. -
Transistors
a transistor is not a computer, but this invention greatly affected the history of computers. -
First stored program
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UNIVACA was the first computer sold on the business and the government
First commercial computer & able to pick presidential winners. -
Jay Forrester
files a patent application for the matrix core memory -
The IBM 650
known as the Magnetic Drum Calculator debuts and becomes the first mass prouced computer -
Spacewar Computer game
The first computer game invented. -
IBM 360
IBM announces the System/360 “third-generation” line of computers. -
Bill Gates
Microsoft Corporation is an American multinational corporation headquartered in Redmond, Washington, that develops, manufactures, licenses, supports and sells computer software, consumer electronics and personal computers and services. Its best known software products are the Microsoft Windows line of operating systems, Microsoft Office office suite, and Internet Explorer web browser. Its flagship hardware products are Xbox game console and the Microsoft Surface series of tablets. -
Steve Jobs
Apple Inc. is an American multinational corporation headquartered in Cupertino, California, that designs, develops, and sells consumer electronics, computer software and personal computers. Its best-known hardware products are the Mac line of computers, the iPod media player, the iPhone smartphone, and the iPad tablet computer. Its consumer software includes the OS X and iOS operating systems, the iTunes media browser, the Safari web browser, and the iLife and iWork -
Larry Page
Google was founded by Larry Page and Sergey Brin while they were Ph.D. students at Stanford University. Together they own about 16 percent of its shares. They incorporated Google as a privately held company on September 4, 1998. An initial public offering followed on August 19, 2004. Its mission statement from the outset was "to organize the world's information and make it universally accessible and useful"
