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QAbacus can perform

ID: #3290 Information Technology 946 views
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  • A addition ✔ ✖
  • B subtraction ✔ ✖
  • C multiplication ✔ ✖
  • D Both ✔ ✖
Correct Answer

Explanation

Abacus can perform Both ‘A’ and ‘B’.

Abacus(1602)

Inventor: China

Characteristics: 

  • First mechanical calculating device.
  • A horizontal rod represents the one, tens, hundred, etc.

Applications:

  • Used for addition and subtraction operations.
  • Calculation of square roots can also be performed.
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