Recognition is process in which we can recognition human voice, object image and thumb expression etc. and it is recorded and directly used as keyword searching from database or search engine. Some of the most popular kinds of speech recognition software are open ended they interpret the full range of speech through audio. For example the system has to be able to handle all of the different sounds, which generally requires a large algorithmic lexicon and other resources. Recognition have different-2 versions likes Audio Recognition, Image Recognition, Bar Code Recognition and Thumb Expression Recognition etc.