A thin disk of magnetic material capable of storing a large amount of information. It spins rapidly and heads similar to heads in tape recorders read and write information onto concentric tracks.

An area for storage of data inside the computer. It contains the programs and data being used by the computer. The primary storage or most accessible storage of the computer.

An applications program designed specifically for performing statistical calculations.

A computer monitor that can display only one (I) active color.

A small device for interacting with a monitor.

A computer monitor that can display more than one active color.

The production of pictures, charts, diagrams, etc.

A commonly used code for representing data.

To transmit the data from the computer to a memory device.

The part of the central processing unit (CPU) where numerical calculations and logical operations are performed.