A term referring to eight related bits of information. Eight bits equals on byte.

A programming language, developed for structured programming, that bears a strong resemblance to Pascal.

Fast memory used to improve the performance of a CPU. Instructions that will soon be executed are placed in a cache memory shortly before they are needed. The process speeds up the operation of the CPU.

The process of adjusting the electronics of an analog input to improve its accuracy. Sometimes this is done by turning potentiometers with a screwdriver. A more convenient way is to make the adjustments in software.

A software instruction used to pass control to a subroutine, control is returned to the original program at the point of the "call" statement. Often used for specialized routines such as "analog read" from a data acquisition system.

Amount of storage space in a memory expressed a number of bits or number of words.

The central part of a computer system that performs operations on data. In a personal computer the CPU is typically a single microprocessors integrated circuit.

A chart recorder is an instrument used to record various process and electrical signals.

An instrument used in chemical analysis of gases and liquids.

The color part of a video signal, relating to the hue and saturation but not to the brightness or luminance of the signal.