Solution:

Numerically Controlled Machines(NC):

Defined as the control of a machine tool by means of recorded information on punched tape/cards or by means of a prepared program that consists of blocks or series of numbers.

These numbers define the required position of each slide, its feeds, cutting speeds, etc.

Also defined as a form of software-controlled automation, in which the process is controlled by alphanumeric characters or symbols.

It is a form of digital control of a machining process.

According to EIA (Electronic institute of America), an NC machine is a system in which the actions are controlled by the direct insertion of numeric data at some point.

The system must automatically interpret at least some portion of the data. An NC machine (machine tool + control system)