What is a Computer?

It uses microprocessor technology to input, manipulate, store and output data

• Supercomputer

• Mainframe Computer

• Microcomputer

• Mini Computer

Multiprocessing system capable of supporting from 4 to about 200 users simultaneously.

• Minicomputer

• Mainframe Computer

• Personal Computer

• Servers

A very large and expensive computer capable of supporting hundreds, or even thousands of users simultaneously.

• Super Computer

• Mini Computer

• Client PC

• Mainframe Computer

Very expensive and are employed for specialized applications that require immense amounts of mathematical calculations.

• Mini Computer

• Portable PC

• Super Computer

• Mainframe Computer

Small enough to move easily from one place to another.

• Portable Computer

• Personal Computer

The entities who know the uses of computers.

These are the sets of programs or instructions used to run the hardware/computer.

These are the physical components of the computer system.

These are devices used by the user to communicate with the processor. These are used to collect data and convert it to a form suitable for the computer processing.