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Abacus, The abacus was invented in Mesopotamia in 2700 B.C.E. The abacus’ main purpose is to assist in adding numbers.
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holes in cards, are also known as punched cards. First used in 1725. They were used for certain types of machinery.
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the analytical machine, was first designed in 1837 by Charles Babbage. It’s job was to calculate logarithms and trigonometric functions.
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d. Von Neumann architecture, was created in 1945 by Von Neumann. It’s main purpose was to be used in how a computer is designed, or it’s architecture
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ENIAC was released in 1947. It was the first electronic general –purpose computer. It was used in the military to solve mathematical problems.
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UNIVAC was invented around 1948. The Univac stands for universal automatic computer. It was one of the first computers created.
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g. high-level programming language, is a language that is used in certain computers, and is more abstract. They were first created in the 1950’s
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CRAY-1, was designed as a supercomputer. It was introduced in 1971, and it was popular because it leap-frogged current computers at that time.
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Altair, was a microcomputer designed in 1975. It was developed by Intel and used in popular electronics and calculators.
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. Apple, is a company that was founded in 1976. They are the creator of Macs, iPods, and the iphone.
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first electronic spreadsheet, VisiCalc was the first maker of the Spread sheet. It is an interactive virtual program that shows data in a textual, numerical, or graphical way. Examples include Excel, and it was developed in 1979.
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PC, stands for personal computer. It is used to perform functions such as going on the internet and using programs. It was first developed in 1981.
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Macintosh, in 1984, Apple introduced one of the first easy- to -use personal computers. The Mac is targeted towards education and other personal uses.
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Windows, is a graphical interface and operating system that was set up and developed by Microsoft. It was first released in 1985.
