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This article walks you through the basic principles of how computers operate, illustrating how simple logic gates can be combined to create binary arithmetic, memory storage, and control logic, ultimately forming a CPU that can execute instructions and perform calculations automatically.
This article explains how CPUs interpret binary signals as voltage levels, describes basic logic gates such as AND, OR, NOT, shows how they combine to perform arithmetic like addition, and clarifies that hardware itself lacks understanding, relying on human-designed instruction sets and compilers to give meaning to 0s and 1s.
A classroom tale follows elementary students as they discover binary counting with their fingers, translate it into truth tables, explore AND, OR, and NOT gates, and progressively build one‑bit and multi‑bit adders, illustrating fundamental digital logic concepts.