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Charles Babbage
Created the 1st automatic calculator called the Analytical Engine. He actually based the machine off of another machine called the Difference Machine. -
Herman Hollerith
Took Jacquard's punch-card concept and applied it with his Tabulation Machine. His machine became so successful that he left Census Bureau in 1896 to start his Tabulation Machine Company. -
Z1 computer
Important breakthrough for future computer design. It was created by Konrad Zuse and it's a mechanical calculator. -
Eniac
1st successful high-speed electronic digital computer. Used 18,00 vacuum tubes and filled about 1,800 square feet. -
1st Generation Computers
Used vacuum tubes to store data. The Eniac and Univac are 1st generation computers. -
2nd Generation Computers
Used transistors to store data. -
Univac
Operated on magnectic tape, not punch cards. 1st commercially successful digital computer. -
Jack Kilby
Invented intergrated circuits. He enabled computers to become smaller and lighter. -
3rd Generation Computers
Used intergrated circuits. -
BASIC
Became key language for PC. Led to the creation of Microsoft. -
4th Generation Computers
Use microprocessor chip. -
Introduction of the GUI
File management system with directories and folders. Not invented by computer company. -
Altair Computer
Marked the start of personal computer boom. Sold at $395 as a kit. -
Bill Gates
Wrote an interpreter program and sold it to Altair. He was the first to own an Altair. -
Steve Jobs
Formed Apple Computer with Steve Wozinak. He worked for the computer game Atari. -
Apple II
Operating system stored in ROM.Eventually included a spreadsheet program, word processor, and desktop publishing software. -
Visicalc
1st electronic spreadsheet application. -
WordStar
1st word processing application. -
Osborne Computer
1st portable computer/preinstalled with spreadsheet and word processing software. -
Pagemaker
1st desktop publishing software. -
Excel
1st spreadsheet to use a graphical user interface. -
Mosaic
Caused 350% increase in internet connection. Allowed users to view multimedia on the web. -
Netscape
Became an open source in 1998 stating that they would no longer charge for the product and make the code available to the public.