virtual reality is a term that applies to computer simulated environments that can simulate places in the real world, as well as in imaginary worlds.Virtual reality is often used to describe a wide variety of applications commonly associated with immersive, highly visual, 3D environments. The development of cad software, graphics hardware acceleration, head mounted displays, database gloves, and miniaturization have helped popularize the notion. in other word we can say Use of computer modeling and simulation to enable a person to interact with an artificial three dimensional visual or other sensory environment. A computer generated environment simulates reality by means of interactive devices that send and receive information and are worn as goggles, headsets, gloves, or body suits. The illusion of being in the created environment is accomplished by motion sensors that pick up the user's movements and adjust his or her view accordingly, usually in real time.
this is the true meaning of virtual reality
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