Western Governors University (WGU) ICSC3120 C952 Computer Architecture Practice Exam

Silicon is a widely recognized natural semiconductor used in electronics due to its unique properties that make it suitable for a variety of applications. It has a crystalline structure that allows for effective control of electrical conductivity through doping, which involves adding small amounts of impurities to alter its electrical characteristics. Silicon's bandgap of about 1.12 eV enables it to conduct electricity under certain conditions while acting as an insulator under others, allowing for the creation of diodes, transistors, and integrated circuits.

Furthermore, silicon is abundant in nature, primarily found in sand and rocks, which makes it economical for mass production. Its thermal stability and ability to form a native oxide layer (silicon dioxide) provide excellent insulation and protective barriers, making it ideal for use in microelectronics and photovoltaic devices.

While gallium, carbon, and germanium also have semiconductor properties, silicon remains the dominant material in the industry due to its versatility, availability, and performance characteristics.