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Critical thinking for an AI world

Computing and Math Quizzes

Review number representations, tools, and performance. Check the assumptions behind a proposed solution.

Choose from 10 quizzes below. Practice the concepts you need to judge a solution, recognize faulty assumptions, and find errors in logic or code. Every answer includes an explanation and a link back to the relevant tutorial.

Numbers and Units

Binary and Hexadecimal

Check whether a conversion preserves the value and whether its base is clear.

4 questions

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Negabinary

Review signed place values and the rules a negative-base conversion must preserve.

4 questions

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Estimating Pi

Judge numerical accuracy, computation cost, and what a matching result really proves.

4 questions

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Color Values

Check channel order, alpha ranges, and the meaning of a color's stored bits.

4 questions

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Angles and Rotation

Review angle units, direction conventions, and the difference between a pose and a motion.

4 questions

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Tools and Evidence

Compilers and Transpilers

Review build outputs, execution assumptions, and the limits of a successful translation.

4 questions

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Evaluating Search Results

Choose useful search constraints and review what the results do and do not establish.

4 questions

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TypeScript's Guarantees

Review what static types catch and what still requires runtime checks and behavioral tests.

4 questions

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Rendering and Performance

Virtual Lists

Review rendering cost, loading cost, and the state that must survive recycled views.

4 questions

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High-Density Displays

Balance image detail, display density, memory, and rendering work.

4 questions

Take quiz

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