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Pascaline
Blaise Pascal invented this. It did basic addition, but never fully worked. -
Stepped Reckener
Could add, subtract, multiply, divide, and find or simplify square roots. It was created by Gottfried Wilhelm Leibniz. Link -
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Ada Byron
A major programmer influence. Ada Byron was also called Lady Lovelace. She stated no computer no matter how powerful could ever develop a thought process. This is still true today. Link -
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Herman Hollerith
He lived from these dates. Link -
Analytical Engine
Was worked on by Charles Babbage; it was made for navigation for ships. It led to the Analytical Engine. It was worked on until Charles Babbage died. It followed programs on punch cards, and made decisions. It was never finished. Link -
Tabulating Machine
At the end of the 19th century, Census took 9 years to collect. This machine was created from Census, and it used electricity over gears. -
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John Von Neuman
He lived from these dates. The idea for CPU to be able to control all functions came from him. Link -
CTR
four corporations formed a fifth company, Computing-Tabulating-Recording Company, which is now IBM. One of these companies was owned by Hollerith. Link -
ABC
ABC stands for Atanasoff-Berry Computer. It was the first electronic computer that was designed and built by John Vincent Atanasoff and Clifford E. Berry. Link -
Mark 1
IBM that used punch cards. A machine that used punch cards, but could not decide things. Good calculator. It weighed 5 tons and was 51 feet in length. -
EDVAC
Invented by John Von Neumann. Solved problems with the help of instructions on a paper tape. Link -
Transistor
Was invented to lower the cost and size of a computer. -
EDSAC
Invented by John Von Neumann. Solved problems with the help of instructions on a paper tape. Link -
UNIVAC
The UNIVAC is a program storage concept. The first computer language, C-10, with a keyboard. Was sold to Census Bureau. Was large and expensive. Only large corporations could afford it. Could execute 1000 calculations per second. -
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COBOL
Murray Hopper lead a team to invent this. Link -
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IMB Model 650
This was the first medium sized computer. Was expensive. Used by corporations and the government. The size and cost was lower than computers before this. The punch cards were replaced with magnetic tape. -
Microprocessor
Marcian Hoff invents thi; it was an entire CPU chip. It was made with microcomputers. With this CPU chip people could develop desktops. -
BASIC
Bill Gates creates this. It is a basic language interpreter. -
Microsoft
Bill Gates founds Microsoft. -
Altair
The first microcomputer. -
Apple Computer
Stephen Wozniak and Steven Jobs built the first Apple computer at this time. -
IBM-PC
With a spreadsheet, accounting, and word processing software. -
CASCADE
The first encrypting virus appears. Link -
Smartphone
The first smartphone went on sale. It was created by IBM. Link -
