The correct answer is C. Micro computer.
A microcomputer is a small, relatively inexpensive computer designed for personal use. It is also known as a personal computer (PC). Microcomputers are typically used for word processing, spreadsheets, games, and other applications.
A minicomputer is a mid-sized computer that is larger than a microcomputer but smaller than a mainframe computer. Minicomputers are typically used for business applications, such as accounting and inventory control.
A supercomputer is a very powerful computer that is used for scientific and engineering applications. Supercomputers are typically used for tasks that require a lot of processing power, such as weather forecasting and climate modeling.
A mainframe computer is a large, powerful computer that is used for high-end applications, such as data processing and scientific computing. Mainframe computers are typically used by large businesses and government agencies.
None of the above is not a correct answer.