COMPUTER HISTORY AND EVOLUTION
EARLY COMPUTING DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Before the 20th century, what did people experience computing through?
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Calculators
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The slide rule
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pre-computed tables
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paper and pen
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Explanation:
Detailed explanation-1: -The term “computer", in use from the early 17th century (the first known written reference dates from 1613), meant “one who computes": a person performing mathematical calculations, before electronic computers became commercially available.
Detailed explanation-2: -Among the early computing device the twentieth century are Mark1, ENIAC, EDVAC, UNIVAC and Von Newman machine etc.
Detailed explanation-3: -Early computers were meant to be used only for calculations. Simple manual instruments like the abacus have aided people in doing calculations since ancient times. Early in the Industrial Revolution, some mechanical devices were built to automate long, tedious tasks, such as guiding patterns for looms.
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