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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Pascaline
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Slide rule
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Abacus
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Stepped reckoner
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Detailed explanation-1: -The abacus (plural abaci or abacuses), also called a counting frame, is a calculating tool which has been used since ancient times.
Detailed explanation-2: -Abacus, also known as counting frame, is a calculating device that has been in use since ancient times and is still in use today. Abacus was used in ancient East Asia, Europe, China, and Russia, centuries before the adoption of the written Arabic numeral system.
Detailed explanation-3: -The abacus, also called a counting frame, is a calculating tool that was in use in the ancient Near East, Europe, China, and Russia, centuries before the adoption of the written Hindu–Arabic numeral system. The exact origin of the abacus is still unknown.
Detailed explanation-4: -What is an Abacus? An abacus is a mathematical tool used for computing large numbers quickly. The first abacuses were used over 4000 years ago by the Mesopotamians and are still used today by many merchants worldwide.