The Computer
The Computer A computer is a machine that can store and process information . Most computers rely on a binary system that uses two variables, 0 and 1, to complete tasks such as storing data, calculating algorithms, and displaying information. Computers come in many different shapes and sizes, from handheld smartphones to supercomputers weighing more than 300 tons. Computer CPU The computer's central processing unit ( CPU ) is the portion of a computer that retrieves and executes instructions. The CPU is essentially the brain of a CAD system. It consists of an arithmetic and logic unit (ALU), a control unit, and various registers. (LCD) (LCD) A liquid-crystal display ( LCD ) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals...