In the context of computers, interpretation (or sometimes recompilation) of machine code from another platform.

Some warez idiots think of emulation as only good for game console ROM emulation. However, emulation is used for many great, non-gaming, and perfectly legal things. Such an implementation is demonstrated in vmware (though that's mostly native execution), the Crusoe processor, the Pentium's RISC core, and PowerPC Macintoshes.

Another simpler definition I've seen for emulation in computers is simply making a device act as another. Example: the "SCSI Emulation" feature in Linux will make an ATAPI device use a SCSI interface.

Em`u*la"tion (?), n. [L. aemulatio: cf. F. 'emulation.]

1.

The endeavor to equal or to excel another in qualities or actions; an assiduous striving to equal or excel another; rivalry.

A noble emulation heats your breast. Dryden.

2.

Jeaous rivalry; envy; envious contention.

Such factious emulations shall arise. Shak.

Syn. -- Competition; rivalry; contest; contention; strife. -- Emulation, Competition, Rivalry. Competition is the struggle of two or more persons for the same object. Emulation is an ardent desire for superiority, arising from competition, but now implying, of necessity, any improper feeling. Rivalry is a personal contest, and, almost of course, has a selfish object and gives rise to envy. "Competition and emulation have honor for their basis; rivalry is but a desire for selfish gratification. Competition and emulation animate to effort; rivalry usually produces hatred. Competition and emulation seek to merit success; rivalry is contented with obtaining it."

Crabb.

 

© Webster 1913.

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