What is encyclopedia?And what is the use of it?r we getting all the informations in this encyclopedia?

An encyclopedia is like a dictionary, but the entries are about topics, events, people, etc. instead of just words. Its like wikipedia...A lot of online encyclopedias want you to register to use them so you might be better off with print versions; however, with the advent of the internet print encyclopedias have gone by the wayside since information changes and is updated so fast. Try Encyclopedia Britannica and World Book Encyclopedia to start with...