Answer:

Topic B: Types of computers

Classification of Computers by Size

Supercomputers

Mainframe computers

Minicomputers

Personal computers (PCs) or microcomputers

Supercomputers

A supercomputer.

Supercomputer – a powerful computer that can process large amounts of data and do a great amount of computation very quickly.

Supercomputers are used for areas related to:

Science

Engineering

Education

Defence

Aerospace

Supercomputers are useful for applications involving very large databases or that require a great amount of computation.

Supercomputers are used for complex tasks, such as:

Weather forecasting

Climate research

Scientific simulation

Oil and gas exploration

Quantum mechanics

Cryptanalysis

Mainframe computers

A mainframe computer.

Mainframe computer – a high-performance computer used for large information processing jobs.

Mainframe computers are primarily used in :

Institutions

Research

Academics

Health care

Libraries

Large businesses

Financial institutions

Stock brokerage firms

Insurance agencies

Mainframe computers are useful for tasks relatedMinicomputer – a mid-range computer that is intermediate in size, power, speed, storage capacity, etc., between a mainframe and a microcomputer.

Minicomputers are used by small organizations.

“Minicomputer” is a term that is no longer used much. In recent years, minicomputers are often referred to as small or midsize servers (a server is a central computer that provides information to other computers).

Personal computers

A personal computer.

Personal computer (PC) – a small computer designed for use by a single user at a time.

A PC or microcomputer uses a single chip (microprocessor) for its central processing unit (CPU).

“Microcomputer” is now primarily used to mean a PC, but it can refer to any kind of small computer, such as a desktop computer, laptop computer, tablet, smartphone, or wearable.

Types of personal computers

Desktop computer – a personal computer that is designed to stay at one location and fits on or under a desk. It typically has a monitor, keyboard, mouse, and a tower (system unit).

A desktop computer.

Laptop computer (or notebook) – A portable personal computer that is small enough to rest on the user’s lap and can be powered by a battery. It includes a flip down screen and a keyboard with a touchpad.

A laptop computer.

Tablet – A wireless touchscreen PC that is slightly smaller and weighs less than the average laptop.

A tablet computer.

Smartphone – A mobile phone that performs many of the functions of a personal computer.

A smartphone.