CPU

Central Processing Unit- The computer device that controls is the actual operations of the computer system; these include input, data transfer, arithmetic-ogic unit and output operations, which are the part of each program

CRT

Cathode-Ray-TubeA terminal device that prints messages on a device like tube, output iis said to be "softcopy" since it is not retained as a perminant record.

Card reader

A device that translates the holes in a punched card in to machine readable code

Card Punch

An ouput device of a computer system that punches card information that has been transmitted from the CPU

CAD

Computer Aided Desigh- A general term applied to the integration of computers and graphics to aid in the design and drafting processes

C

A general purpose high level programming language that also allows user to write low-level instructions that approach in density and efficiency those that are coded in machine language

Byte

A fixed number of bits that represents a character, The most common byte size is eight bit