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- Unlike simple electrical devices that primarily convert electricity to light, heat, or motion, electronics focuses on manipulating the behavior of electrons to perform complex functions.
- Active vs. Passive Components: Circuits are made of components. Passive components like resistors, capacitors, and inductors do not control current flow at the electron level. Active components, such as transistors and diodes, can control, amplify, and switch current flow, making complex operations possible.
- Semiconductors: Most modern electronic devices rely on semiconductor materials (like silicon) that can be controlled to either conduct or insulate, forming the basis of transistors and integrated circuits.
