Virtual memory, a memory management technique that abstracts the memory address space in a computer
Virtual particle, a type of short-lived particle of indeterminate mass
Virtual reality (virtuality), computer programs with an interface that gives the user the impression that they are physically inside a simulated space
Virtual world, a computer-based simulated environment populated by many users who can create a personal avatar, and simultaneously and independently explore the world, participate in its activities and communicate with others
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