一、Describe the different types of computers.

Supercomputers are the most powerful type of computer.These machines are special high-capacity computers used by very large organization.

Mainframe computers are capable of great processing speeds and data storage.

Minicomputers,also known as mid-range computers,are refrigerator-sized machines.

Microcomputers are the least powerful ,yet the most widely used and fastest-growing type of computer.

二、What is the most common type?

Microcomputers is the most common type.

三、What are the types of microcomputers?

There are six types of microcomputers: desktop, media center, notebook, tablet PC, netbook , and handheld computers.