RC4
(Rivest Cipher 4)
Stream cipher Key variable length algorithm owner RSA Data Security Inc. for a weather.
RC5
(Rivest Cipher 5)
Revenue per blocks to arguments, block size, key size and number of rounds variable.
Augmented Reality
Between reality and the virtual world is the field of "augmented reality": that of the video image as perceived by the brain which are superimposed graphic information and text.
Virtual Reality
Technology for interactive simulation and weather real reality. Technical communication man-machine consisting of immersing using input / output special, someone in a sensory world of synthesis recalculated in real time (images, sound, tactile sensations ...). It is done using computer graphics, a 3D virtual environment in which to evolve, giving the impression of immersion in the real world.
Note: These devices can be helmets, gloves, etc..
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