英语作文 How was computer invented写到60词就够了,无语法错误,简洁明了

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英语作文 How was computer invented写到60词就够了,无语法错误,简洁明了
英语作文 How was computer invented
写到60词就够了,无语法错误,简洁明了

英语作文 How was computer invented写到60词就够了,无语法错误,简洁明了
The history of the modern computer begins with two separate technologies—automated calculation and programmability—but no single device can be identified as the earliest computer, partly because of the inconsistent application of that term. Examples of early mechanical calculating devices include the abacus, the slide rule and arguably the astrolabe and the Antikythera mechanism (which dates from about 150–100 BC). Hero of Alexandria built a mechanical theater which performed a play lasting 10 minutes and was operated by a complex system of ropes and drums that might be considered to be a means of deciding which parts of the mechanism performed which actions and when. This is the essence of programmability.
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