GK
INVENTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The author tells about the invention of the photograph, telephone, and computer first and then describes how computers can be used to have video telephone calls so that the reader can
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learn about the older inventions that led to newer inventions.
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understand how the inventions work together.
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be interested in the combined inventions.
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see how important new inventions are.
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Explanation:
Detailed explanation-1: -ENIAC, in full Electronic Numerical Integrator and Computer, the first programmable general-purpose electronic digital computer, built during World War II by the United States. American physicist John Mauchly, American engineer J.
Detailed explanation-2: -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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