Electronics is the branch of physics and engineering that deals with the study and application of electrons and their behavior in devices that use electrical circuits, such as transistors, diodes, integrated circuits, and microprocessors.

It involves the design, development, testing, and production of electronic devices and systems, such as computers, communication equipment, medical equipment, and consumer electronics. Electronics has revolutionized the way we live, work, and communicate, enabling advancements in fields such as medicine, transportation, entertainment, and science.