Computing
Free computing articles for students grades 4–9: artificial intelligence, coding, algorithms, the internet, and more.
10 articles
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Grades 7–10What Is Binary? How Computers Use 0s and 1s to Store and Process Data
What is binary? Learn how computers represent all data as 0s and 1s, how the binary number system works, and why it underpins every digital device.
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Grades 5–9What Is Hardware and Software? The Two Essential Parts of Every Computer
What is hardware and software? Discover the difference between physical components and programs, and why both are essential to how computers work.
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Grades 6–10What Is WiFi? How Wireless Internet Works, Standards, and Security
What is WiFi? Discover how wireless internet reaches your devices, what makes a network secure, and why WiFi is essential to modern connected life.
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Grades 6–9How does the internet work?
How does the internet work? This guide explains how data travels, what IP addresses and DNS are, and why this matters for students studying computing.
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Grades 7–10What Is a Database? How Data Is Stored, Organised, and Retrieved
What is a database? Discover how databases store, organise, and retrieve information — and why they power everything from apps to hospitals.
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Grades 7–10What Is an Algorithm? How Step-by-Step Instructions Power Computing
What is an algorithm? Discover how step-by-step instructions power everything from search engines to GPS — and why algorithms shape modern life.
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Grades 6–9What is artificial intelligence for kids?
What is artificial intelligence for kids? Learn how AI works, where it appears in everyday life, and why understanding it matters for students today.
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Grades 4–8What is coding for kids?
What is coding for kids? Learn how coding works, why it matters, and how students start programming — from visual block code to text-based languages.
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Grades 7–10What Is Machine Learning? How Computers Learn from Data
What is machine learning? Discover how algorithms learn from data, how machine learning powers everyday technology, and why it is changing the world.
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Grades 7–10What Is the Cloud? How Cloud Computing Works and Why It Matters
What is the cloud? Discover how cloud computing stores data and runs apps over the internet, and why it powers almost every modern service.
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