A simulation is an approximate imitation of the operation of a process or an experiment. Simulation is used in many contexts, such as technology, safety engineering, testing, training, and education.
Virtual reality is a simulated experience that can be similar to or completely different from the real world. Applications of virtual reality can include entertainment and educational purposes.
Augmented reality is an interactive experience of a real-world environment where the objects that reside in the real-world are enhanced by computer-generated perceptual information.
Artificial Intelligence (AI), sometimes called machine intelligence, it demonstrated by machines, in contrast to the natural intelligence displayed by humans. such as "learning" and "problem solving".
In present scenario e-content is one of the most required resource for imparting education and training to learners. Moreover it provides other advatages like removing dependencies from time and space.