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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Abacus
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Napier’s bones
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Pascaline
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Difference engine
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Detailed explanation-1: -The abacus, called Suan-Pan in Chinese, as it appears today, was first chronicled circa 1200 C.E. in China. The device was made of wood with metal re-inforcements. On each rod, the classic Chinese abacus has 2 beads on the upper deck and 5 on the lower deck; such an abacus is also referred to as a 2/5 abacus.
Detailed explanation-2: -Let us look at a few of the early-age computing devices used by mankind. Abacus was invented by the Chinese around 4000 years ago. It’s a wooden rack with metal rods with beads attached to them. The abacus operator moves the beads according to certain guidelines to complete arithmetic computations.
Detailed explanation-3: -And among them, the Chinese abacus is preeminent in that: (1) It is the oldest computer, and it is still in wide use. (2) It is the simplest calculating device and yet complete by itself without the need of any ancillary or peripheral equipment.
Detailed explanation-4: -The abacus has been in existence in China since the second century BCE, although the oldest counting boards have been found in fourth century BCE Rome. Many cultures used abaci or something similar (such as the Inca quipu).
Detailed explanation-5: -Ancient Mesopotamians of Sumeria invented Abacus between and BC.