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Apr 20, 1000
Abacus
Invented by Egyptians and modiied by the Chinese. Used to add and subtract by hand. -
Blaise Pascal
He was born on June 19th 1623. He was a mathematic genius. Invented a calculating machine called Pascaline. -
Pascaline
Invented by Blaise Pascal on 1642. Perfroms addition and subtraction only. -
Gottfried Wilhelm Leibniz
He was born on July 1st 1646. He's German. He's also a philosopher,historian, and scientist. -
Leibniz calculator
Invented by Gottfried Leibniz on 1673. A calculator that could add, subtract, multiply and, and divide. -
Vacuum Tube technology
A device controlling electric current through a vacuum. One of hundred of blocks that held the 4000 vacuum tubes. Intended for scientific work. -
Charles Babbage
Was born on December 26 1791. Invented the difference machine, a machine that performs mathematical fucntions 6 decimal places. Known as Grandfather of computing, -
Augusta Ada Lovelace
Was born on December 10 1815. She's british. First female programmer. One of a few people who understood Babbage's vision. Created a programmer called the Analytical Engine. -
The Difference Engine
Deisgned by Charles Babbage. Also called Analytical engine. This engine has five parts and the input and control section are fed by punched cards. -
Herman Hollerith
Was born on February 29th 1860. He's American. Founded the tabulating machine company on 1924. He's and engineer and scientist. -
Telephone
A communication device that converts sound into electronic signals over long distances. Invented in 1876 by Alexander Graham Bell. -
Tommy Flowers
Was born in December 22nd 1905. He's british. Invented the first worl's first programmable electronic computer to help encrypted German messages. -
Alan Turing
Was born on June 23rd 1912. He's british. He'a also a Mathematician, Philosopher, and Codebreaker. Founder of computer science. Helped the british decode secrer German messages and predict the missile targers. Commited suicide. -
Steve Wozniak
Was born on August 11, 1950. He's American. Also, an Engineer and programmer. He co-founded Apple computer in the mid 70's. -
Tim Berners Lee
Was born on June 8, 1955. He's british. Also, a Physicist, professor, and computer scientist. Inventor of WWW and HTTP. President of the WWW foundation. -
Bill Gates
Was born on October 28, 1955. He's American. He's a nerd in a good way. Started the Microsoft in 1975. -
Calculator
A small, electronic device used to perform both basic and complex operations of Math. Invented by TI (Texas Instruments) in 1958. -
Internet
A global system of interconnecting computer networks that serve billions of users worldwide. No one created the internet but several people helped contribute and developed the Internet. -
Mobile phone
A device that can make and receive telephone calls while moving around a wide area. First mobile phone was demonstrated by John F. Mitchell and Dr Martin Cooper of Motorola (brand of phone) in 1973. -
Pen computing (type of a a computer tablet)
A device using a pen, and tablet, rather than devices such as a keyboard, joysticks or a mouse. A company called Pencept created the first pen computer. -
Laptop
A personal computer for mobile use. Has most of the same components as a desktop computer. Also sometimes called notebook computers,notebooks, ultrabooks or netbooks. Invented by Adam Osborne in 1981. -
USB Flash Drive
A data storage device that includes flash memory. Flash drives are typically removable. Dov Moran invented the flash drive. -
iPhone (a type of mobile phone)
a line of smartphones designed and marketed by Apple Incorporated. First iphone was released on June 29, 2007. -
iPad (1st generation of computer tablets)
A line of tablet computers designed and marketed by Apple Incorporated. 1st released on April 3, 2010. -
Hard Disk drive
A data storage device used for storing. Individual blocks of data can be stored. The dominant secondary storage device. Introduced by IBM (International Business Machines) on 1956.
