Knowledge

EST Content – 2026

KNOWLEDGE 1.4 systems development documentation as a part of the SDLC: context diagrams using Yourdon/DeMarco notation #EST 2017 7a: The purpose of a context diagram is to determine the system boundaries. 1.8 appropriate hardware components for a computer system designed for a specific purpose, including: input, output, processing, storage (primary and secondary) #EST 2021 2a:

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Computation Thinking

The Four Pillars of Computational Thinking Computational thinking isn’t just for coding; it’s a problem-solving toolkit. Decomposition Decomposition: Breaking a big problem into smaller, manageable chunks By tackling one small piece at a time, complex tasks become much less overwhelming and easier to solve. For example, when designing a video game, you don’t build the

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