COMPUTER HISTORY AND EVOLUTION
DEVELOPMENT OF COMPUTERS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Guitar
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Telescope
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Calculator
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Abacus
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Detailed explanation-1: -Abacuses are still made, often as a bamboo frame with beads sliding on wires. In the ancient world, particularly before the introduction of positional notation, abacuses were a practical calculating tool. The abacus is still used to teach the fundamentals of mathematics to some children, for example, in Russia.
Detailed explanation-2: -The abacus is a device, usually of wood (romans made them out of metal and they are made of plastic in modern times), having a frame that holds rods with freely-sliding beads mounted on them.
Detailed explanation-3: -What is abacus? Ans. Abacus was the first mechanical calculating device, developed by Chinese about 5000 years ago. It was used for counting large numbers and doing arithmetic calculations such as addition, subtraction, multiplication and division.