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Which of the following correctly describes the function of the abacus?

easy🧠 Conceptual Q3 of Q15
Intro to Computing - What is Computing
Which of the following correctly describes the function of the abacus?
AA device for printing documents
BA programmable digital computer
CA machine that stores data electronically
DAn early mechanical device for arithmetic calculations
Step-by-Step Solution
Solution:

  1. Step 1: Define the abacus

    The abacus is a manual tool used to perform arithmetic operations by moving beads.

  2. Step 2: Match the description

    It is a mechanical device for calculations, not programmable or electronic.

  3. Final Answer:

    An early mechanical device for arithmetic calculations -> Option D

  4. Quick Check:

    Abacus function = Mechanical arithmetic tool [OK]
Quick Trick: Abacus is manual, not programmable or electronic [OK]
Common Mistakes:
MISTAKES
  • Confusing abacus with electronic computers
  • Thinking it stores data
  • Assuming it prints documents

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