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WhatIs.com is an online reference library that explains information technology terms, concepts and products for IT professionals, students and business users. Its standout capability is concise, topic-focused definitions supported by practical explanations and related technology coverage.
💡 Pick it for broader explainers, comparisons and newer technology coverage than WhatIs.com.
An online tech encyclopedia providing definitions and explanations of tech terms.
💡 Pick it when you need wider context, citations and linked background beyond a concise IT definition.
Wikipedia is a free online encyclopedia, created and edited by volunteers around the world.
Computer Hope
💡 Pick it for beginner-friendly definitions paired with practical computer help and troubleshooting.
Computer Hope provides free computer dictionaries, troubleshooting guides, how-to articles and software explanations for everyday users. It stands out for pairing plain-language...
💡 Pick it when a technology definition should lead directly to code examples, tutorials or practice.
A platform to learn computer science subjects with a focus on algorithms, data structures, and programming languages.
IBM
💡 Pick it for enterprise-focused explanations and business context from a major technology vendor.
IBM Think is IBM's technology education and insights site covering cloud, artificial intelligence, cybersecurity, data and enterprise computing. It is best known...
Mozilla
💡 Pick it for precise web-development definitions, API references and browser compatibility details.
MDN Web Docs is a free reference and learning resource for web platform technologies, including HTML, CSS, JavaScript, and browser APIs. It...
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