BASIC COMPUTER CONCEPTS
HISTORY OF COMPUTERS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Computer
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Slide Rule
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Abacus
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Napier’s Bones
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Detailed explanation-1: -It was said to be invented from ancient Babylon in between 300 to 500 bc. Abacus was the first counting machine. Earlier it was fingers, stones, or any various kinds of natural material. It was widely in use in different countries from the Middle East to Japan, China, Russia as well as Europe.
Detailed explanation-2: -The Chinese abacus, also known as the suanpan (/, lit. “calculating tray"), comes in various lengths and widths, depending on the operator. It usually has more than seven rods. There are two beads on each rod in the upper deck and five beads each in the bottom one.
Detailed explanation-3: -The ABACUS was the first calculating device that improved about 5000 years ago by the Chinese educationists. Which is divide into two, one is small and the other is big. It first manual calculating device invented to count large numbers.
Detailed explanation-4: -An abacus is a calculation tool used by sliding counters along rods or grooves, used to perform mathematical functions. In addition to calculating the basic functions of addition, subtraction, multiplication and division, the abacus can calculate roots up to the cubic degree.