Intro to Computing - What is ComputingWhich of these inventions came immediately after the mechanical calculator in the timeline of computing?AThe AbacusBThe Analytical EngineCThe Turing MachineDThe Electronic Numerical Integrator and Computer (ENIAC)Check Answer
Step-by-Step SolutionSolution:Step 1: Recall the timeline orderThe mechanical calculator was invented in 1642, followed by the Analytical Engine concept in the 1830s.Step 2: Identify the immediate successorThe Analytical Engine was the next major step after mechanical calculators, before electronic computers.Final Answer:The Analytical Engine -> Option BQuick Check:Next after mechanical calculator = Analytical Engine [OK]Quick Trick: Analytical Engine followed mechanical calculators historically [OK]Common Mistakes:MISTAKESChoosing ENIAC too earlyConfusing Turing Machine as physical deviceSelecting abacus which predates mechanical calculator
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