The world's first computer, called the Z1, was invented by Konrad Zuse in 1936. His next invention, the Z2 was finished in 1939 and was the first fully functioning electro-mechanical computer.
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Another name for a Microsoft Windows tutorial is 'Crash Course'!
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CAPTCHA stands for "Completely Automated Public Turing test to tell Computers and Humans Apart".
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The first computer mouse was invented by Doug Engelbart in around 1964 and was made of wood.
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The ‘@’ sign is centuries old, and was used in Europe to denote a unit of weight (the “arroba”) equivalent to 25 lbs.
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