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emulation

n. ~ The use of one system to reproduce the functions and results of another system.

Citations:
(GAO 2002, p. 45) A proposed approach to the problem of software and hardware dependence is emulation, which aims to preserve the original software environment in which records were created. Emulation mimics the functionality of older software (generally operating systems) and hardware. . . . This technique seeks to recreate a digital document's original functionality, look, and feel by reproducing, on current computer systems, the behavior of the older system on which the document was created.