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Which of these inventions came immediately after the mechanical calculator in the timeline of computing?

medium🧠 Conceptual Q5 of Q15
Intro to Computing - What is Computing
Which of these inventions came immediately after the mechanical calculator in the timeline of computing?
AThe Abacus
BThe Analytical Engine
CThe Turing Machine
DThe Electronic Numerical Integrator and Computer (ENIAC)
Step-by-Step Solution
Solution:
  1. Step 1: Recall the timeline order

    The mechanical calculator was invented in 1642, followed by the Analytical Engine concept in the 1830s.
  2. Step 2: Identify the immediate successor

    The Analytical Engine was the next major step after mechanical calculators, before electronic computers.
  3. Final Answer:

    The Analytical Engine -> Option B
  4. Quick Check:

    Next after mechanical calculator = Analytical Engine [OK]
Quick Trick: Analytical Engine followed mechanical calculators historically [OK]
Common Mistakes:
MISTAKES
  • Choosing ENIAC too early
  • Confusing Turing Machine as physical device
  • Selecting abacus which predates mechanical calculator

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