CAD

Acronym for computer-aided design. A CAD system is a combination of hardware and software that enables engineers and architects to design everything from furniture to airplanes. In addition to the software, CAD systems require a high-quality graphics monitor; a mouse, light pen, or digitizing tablet for drawing; and a special printer or plotter for printing design specifications. CAD systems allow an engineer to view a design from any angle with the push of a button and to zoom in or out for close-ups and long-distance views. In addition, the computer keeps track of design dependencies so that when the engineer changes one value, all other values that depend on it are automatically changed accordingly.Until the mid 1980s, all CAD systems were specially constructed computers. Now, you can buy CAD software that runs on general-purpose workstations and personal computers.

Stands for "Computer-Aided Design." Also known by engineers and architects as the best invention of all time. Today, CAD software is used for pretty much all three-dimensional designing. It is much easier and quicker to turn an object into an electronic representation than to diagram one with a pencil and paper. Better yet, objects created with CAD are very accurate and can be changed instantly. After all, you can only erase so much on paper before it starts to smudge.