Final answer:
A color management system within graphic design software is used to simulate an on-screen preview of how an RGB document will look in CMYK for printing, accounting for differences between light-based displays and ink-based printing.
Step-by-step explanation:
The device that would specify the simulation of an on-screen preview of how an RGB document will look when produced in CMYK is commonly referred to as a color management system or tool within graphic design software. To achieve accurate color representation, graphic applications utilize color profiles that guide the conversion process from RGB to CMYK, ensuring that colors in images on paper printed by ink jet printers using cyan, magenta, yellow, and black inks, are represented as closely as possible to what is seen on an RGB color television or computer display. It's important to note that this conversion is critical because the RGB color model is used for electronic displays, which rely on light mixtures, whereas CMYK is used for printing, which relies on ink mixtures. The accuracy of the simulated print color can be affected by various factors, such as printer calibration, ink types, and paper quality. To get the best possible match between the on-screen preview and the printed outcome, it might also be necessary to calibrate the computer display to ensure it represents colors accurately.