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Holes in cards refers to punch cards that were used as an input device for many different types of machines, this was invented around 1725.
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The analytical machine could be considered as the first actual computer that used punched cards to input data, it was created in 1837.
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A PC is just an average computer that was first introduced in 1943 that was used to crack enemy codes in World War II.
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The von Neumann architecture was a design of a computer with a processor with subdivisions that was created in 1945.
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The ENIAC was actually introduced in 1946 to calculate the artillery firing tables for the USABRL.
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Univac is actually the name of a line of computers that used electronic digital stored-programs introduced on March 31, 1951.
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High-level programming language is a language used in programming that has big abstractions from computers, and was started to be used in 1954.
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The CRAY-1 was a supercomputer built by Cray Research in 1968 that was used in big companies for production and holding information.
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UNIX is an operating system for a computer that is designed for multitasking and multiple people working on it, and it was first used in 1969.
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The Altair 8800 was actually designed for the Intel 8080 CPU and was also supposed to be a microcomputer invented in 1975.
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Apple Inc. is actually the most successful company in the world, selling things from mobile devices, computers, and applications; it was created in April 1, 1976.
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Spreadsheet is a computer application made in the 1979 that was used to organize things into a tabular format.
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The Macintosh was the first commercial computer to use a graphic user interface instead of a command line and was first introduced in January 24, 1984.
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Windows is an operating system made by Microsoft that was first commercialized in November 20, 1985.