Describe how each of them works . Also it does not allow the user to preview the files in the particular site. Archie allows one to search the files of an FTP site. Gophers are retrieval tools which rely on a hierarchical menu. This feature makes it easier for a user to find information about a topic even if they do not know the FTP address.
Gophers also allow one to preview the files in a site located from menu.
Veronica searches Gopher sites and by using specific keywords it forms a temporary menu which contains various Gopher sites containing the keywords. WAIS requires that the user know the names of the databases which he or she are searching for but once entered will provide a menu of all files which contain key words. The World Wide Web is a method of traversing and accessing the Net's information resources. Organizations and individuals can create their own Web sites to pose information and interact with visitors. It is so useful because it is easy to use.