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Computing

Understand data, media, networks and computational ideas.

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01Boolean logic

Wire up logic gates

Suggested-level exploration

Toggle two binary inputs and compare AND, OR and XOR outputs. AND needs both inputs on; OR needs at least one; XOR needs exactly one. The circuit pulses are illustrative signals.

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02Algorithms

Binary search repeatedly halves a sorted search interval. The graph shows a worst-case upper bound on comparisons for a successful search in a nonempty array, repeated for several independent searches.

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