This Online Safety & History of Computers Knowledge Organiser for Year 3 provides key facts to support students’ learning and writing. It includes a timeline of important developments, from the invention of early computers like the Colossus (1940s) to modern devices. The online safety section teaches students how to stay safe online, including password security, identifying trustworthy websites, and being kind online. With key vocabulary, top tips for safe internet use, and links to real-world computing, this organiser helps students build confidence in using technology responsibly.
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