The correct answer is: C. chips
Microelectronics is the technology of miniaturizing electronic components and circuits. It is used in a wide variety of devices, including computers, cell phones, and cars.
Microwaves are a type of electromagnetic radiation with a wavelength of about 1 millimeter. They are used in a variety of applications, including cooking, radar, and telecommunications.
Microcomputers are small computers that are designed for personal use. They are typically used for tasks such as word processing, spreadsheets, and internet browsing.
Automatic processing is the use of machines to perform tasks that would otherwise be done by humans. It is used in a variety of industries, including manufacturing, agriculture, and healthcare.
None of the above is the correct answer because it does not describe the technology of microelectronics.