Microprocessor (noun)

An integrated circuit that contains the functions of a central processing unit of a computer on a single microchip.

Origin:

Late 20th century: from micro- + processor.

Examples:

1. The first microprocessor was introduced in 1971 and was called the Intel 4004.
2. The microprocessor is the heart of a computer and controls all the operations.
3. The performance of a computer is largely determined by the speed of its microprocessor.
4. The microprocessor in the smartphone was powerful enough to run demanding applications.
5. The microprocessor market is dominated by a few major companies, including Intel and AMD.