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Blaise Pascal ; Pascaline
Pascal is responsible for creating calculus. He also invented the first calculating machine. -
Stepped Recnor
This machine was not very reliable because its machanical parts made it almost defective. -
Charles Babbage
Babbage is considered the father of computers. He made a calculating device that also printed out the answers. He also made the computer concept work. -
Jacquards Loom
Loom was the first to make punch cards; each had a unique pattern. -
Lady Augusta Ada Countess of Lovelace
Ada was known as the first compter programmer, also assisting Babbage in creating the first computer. She was a brilliant mathematician. -
Herman Hollerith's Electronic Tabulating Machine
Hollerith was a statistician for the U.S. Census Bureau who was the first to make a machine that would tabulate the number of people living in the U.S. -
U.S. Rear Admiral Dr. Grace Murray Hopper
Hopper was a pioneer of computers who worked with Howard Aiken. She helped coin the term "bug" for an unexplained computer failure. -
Vacuum tubes
Lee de Forrest invented these tubes that were used for the central processor. -
The Atanasoff-Berry Computer (ABC)
Atanasoff and an engineering student Clifford Berry were the first to create the electronic digital computer. He first wanted to make math more mechanical so his students would have more time to do work in physics. The machine used vaccum tubes, punched cards and a large drum that was used as a memory device. -
Harvard's Mark I
Mark was the first to make a large-scale, automatic calculator and processor of electronic computers with IBM. It weighed 35 tons with 500 miles of wiring. -
ENIAC
J. Presper Eckert and John Mauchly took Atanasoff's idea after he showed them his ABC machine. This helped the men create a similar machine that was later used by the U.S. Defense Department. It had the memory and power of a modern calculator, even though it was 30 tons. -
Transistor (2nd Generation of Computers)
Invented by William Shockley, this device was used by IBM because they were much smaller electronic switching devices than the vacuum tubes in computers of the time. -
Integrated circuit (3rd Generation of Computers)
This device reduced circuit size even more. He made Patterson metal to get answers. -
Microprocessor
The microprocessor was used in calculators since 1970. Every two years, the capacity of this machine has doubled. -
Internet Explorer
This website became an instant sucess. It is now used to view web site, buy stuff, go on social networks, and much much more. -
Facebook
Mark Zuckerburg created this social network that now has over 845 million users, who create their own profiles, post pictures and chat with friends and relatives. -
Google Earch
This mapping service allows users to view cities, buildings and even yards from satellite images. It was made after streetview was created but didn't take off. -
ebooks
The Kindle came out on Amazon 5 years ago, and grew rapidly. A person can now buy any book and read it on the computer-like screen. You can also play games, view television shows and chech your email.
