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holes in cards
• Holes in cards are a form of punch cards that started modern data processing. This invention could automatically read information that had been punched on a punch card. -
the analytical machine
• Created by Charles Babbage the analytical engine was one of the first mechanical computers. It worked like a calculator that had its data fed to it using punch cards. The analytical engine could solve all equations with adding, subtracting, multiplying, and dividing. -
von Neumann architecture
• this was the 1st written description on how a computer should store programs and process information. This is still used today in a different form in all computers and lots of electronic devices. -
ENIAC
• Otherwise known as the Electrical Numerical Integrator and Calculator, the ENIAC was a computer that had 17,468 vacuum tubes, 70,000 resistors, 10,000 capacitors, and 6,000 manual switches. It was so fast that in one second the ENIA could perform 5,000 additions, 357 multiplications, or 38 divisions. -
UNIVAC
• Invented by John Presper Eckert and John Mauchly the UNIVAC was a form of computer that could add in 120 microseconds, multiply in 1,8000 microseconds, and divid in 3,600 microseconds. After being invented the UNIVAC’s cost was nearly 1 million dollars and was at first only bought by the government and businesses. -
high-level programming language
• This was the first high level programming language or software invented. It is still used today for mainly scientific and mathematical applications. -
CRAY-1
• The first Super computer ever invented. Costing from about $5 million to $10 million the CRAY-1 was the fastest computer of its time and over a hundred of them were sold. -
UNIX operating system
• Create d in AT&T’s bell labs, the UNIX operating system was invented by Kenneth Thompson and Dennis Ritchie. Not popular at first the UNIX operating system gained popularity in 1977. -
PC
• PC or otherwise known as the Personal Computer was created by Steve Jobs and Steve Wozniak. They started the process to creating smaller computers. -
Altair
• As The first official Personal Computer, Altair contained all the parts to a computer in one kit. Altair’s popularity grew due to its low price which lead to a competition between manufacturers. -
Apple
• On the 1st of April Steve Wozniak and Steve Jobs created and released the Apple I, the 1st with a single circuit board used inside a computer. Later leading to Steve Jobs to create the 1st home computer with a GUI. -
first electronic spreadsheet
• This Organized information into software and lead to the creation of the VisiCalc . VisiCalc was one of the 1st applications for personal computers. -
Windows
• Created by Bill Gates Window Microsoft Works on the 1st version of a new operating system. This lead to People all over being able to have a computer in their home. -
Macintosh
• The first computer that could be used by normal people and not experts. Became the most popular personal computer.
