Numeric Control (CNC)
The decimal numerical control or numerical control (NC) is an automation system for machine tools that are operated by programmed into a storage medium, compared to the manual control commands via flyers or levers. The lower cost and miniaturization of processors widespread digital electronics bulls tool, which gave rise to the name numeric decimal control computer numerical control, numerical control computer or computer numerical control (CNC), to differentiate them from the machines they had no computer. Today the term to refer to numerical control such systems, with or without a computer is used.