When we use a smartphone, browse the internet, or work on a laptop, we interact with technology in a simple and intuitive way. We tap icons, type messages, and click buttons—without thinking about circuits, memory addresses, or machine instructions. This simplicity is not accidental. It exists because of a powerful idea at the heart of computing called abstraction . Abstraction is one of the most important concepts in computer science, yet it often remains invisible to users. It hides complexity, reduces mental effort, and allows technology to scale from small devices to massive cloud systems. Without abstraction, modern computing as we know it would not exist. This post explains what abstraction is , why it matters , and how it shapes today’s technology , using clear explanations rather than technical jargon. Understanding Abstraction in Simple Terms Abstraction means focusing on what a system does, not how it does it internally . In everyday life, we use abstraction constantly....
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