| Sumario: | Emulation, the practise of getting modern computers to impersonate and emulate older ones and subsequently provide an appropriate environment in which to use old-fashioned software, was once confined to a few small areas of the computer industry but is now widespread. Several of Intel's chips contain hardware specifically designed to provide compatibility with older processors while allowing for improvements. Apple's Macintosh computers have contained software since 1994 that has enabled them to impersonate older models that used a different microprocessor. Perhaps the most widely known example of emulation is Java, Sun's cross-platform language: Java allows software to run on any device that is capable of emulating a fictitious computer, known as a “Java virtual machine,” that does not even exist.
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