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 is the second mechanical device.
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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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Explanation:
Detailed explanation-1: -The earliest known calculating device is probably the abacus. It dates back at least to 1100 bce and is still in use today, particularly in Asia. Now, as then, it typically consists of a rectangular frame with thin parallel rods strung with beads.
Detailed explanation-2: -2. Mechanical Counting Devices-Abacus, Napier’s Bones, Slide Rule.
Detailed explanation-3: -Abacus, an instrument to calculate or count by using sliding counters and rod is indeed the world’s first calculator. Abacus was in use in Europe, China, Russia.
There is 1 question to complete.