Computer Classification: By Size and PowerComputers differ based on their data processing abilities. They are classified according to purpose, data handling and functionality.According to functionality, computers are classified as:• Analog Computer: A computer that represents numbers by some continuously variable physical quantity, whose variations mimic the properties of some system being modeled.• Personal computer: A personal computer is a computer small and low cost. The term "personal computer" is used to describe desktop computers (desktops).• Workstation: A terminal or desktop computer in a network. In this context, workstation is just a generic term for a user's machine (client machine) in contrast to a "server" or "mainframe."• Minicomputer: A minicomputer isn't very mini. At least, not in the way most of us think of mini. You know how big your personal computer is and its related family.• Mainframe: It refers to the kind of large computer that runs an entire corporation.• Supercomputer: Itis the biggest, fastest, and most expensive computers on earth.• Microcomputer: Your personal computer is a microcomputer.