GCSE Computer Science

Algorithms and programming
revision.

Computational thinking, core constructs, and the logic that sits under every IF and WHILE.

Algorithms and programming guides

Pick the text.
Build the argument.

01

Algorithms

Decomposition, abstraction, searching, sorting, and how to prove an algorithm works with a trace table.

Start revising 02

Programming basics

Sequence, selection, iteration, data types, strings, arrays, functions, validation and the three faces of errors.

Start revising 03

Boolean logic

AND, OR and NOT gates, truth tables, and how to read a logic circuit the way the paper draws it.

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Keep going

More GCSE Computer Science
in the same style.

GCSE Computer Science revision for algorithms, programming, binary, networks, cyber security, systems architecture and Boolean logic — with trace tables, not hand-waving.

All Computer Science revision