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In computer science, a virtual machine (VM) is a software implementation of a machine (computer) that executes programs like a real machine.

Virtual - Wikipedia, the free encyclopedia

The term virtual is a concept applied in many fields with somewhat differing connotations, and also, differing denotations. Colloquially, 'virtual' has a similar meaning to ' quasi ...

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Virtual reality - Wikipedia, the free encyclopedia

Virtual reality ( VR ) is a technology which allows a user to interact with a computer-simulated environment, be it a real or imagined one. Most current virtual reality ...

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