BASIC COMPUTER CONCEPTS
HISTORY OF COMPUTERS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -The abacus is a digital device; that is, it represents values discretely.
Detailed explanation-2: -Both the abacus and the counting board are mechanical aids used for counting; they are not calculators in the sense we use the word today.
Detailed explanation-3: -The abacus (plural abaci or abacuses), also called a counting frame, is a calculating tool which has been used since ancient times. It was used in the ancient Near East, Europe, China, and Russia, millennia before the adoption of the Hindu-Arabic numeral system.
Detailed explanation-4: -Alternatively called the counting frame, an abacus is a mechanical device used to assist a person in performing mathematical calculations and counting. Who built the first abacus? Why was the abacus used?
Detailed explanation-5: -It is the first known calculating device. It was used to perform simple arithmetic operations such as addition, subtraction, multiplication and division. Counting is done by moving the beads on the Abacus. It was invented around 5000 years ago and was primarily used in Asia.