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QThe earliest calculating device is

ID: #3289 Introduction to computer MCQ 790 views
Question Info
#3289Q ID
Not SetDifficulty
Introduction to computer MCQTopic

Choose the Best Option

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  • A calculator
  • B abacus
  • C difference engine
  • D analytical engine
Correct Answer: Option A

Explanation

The earliest calculating device is abacus.

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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