Netscape and Internet Explorer are browsers. Netscape and Internet Explorer are the most popular, but others are out there as well. Netscape is the most popular on this campus and elsewhere. You will begin at a page set as default by the particular lab you are using. In general, once you learn how to use one browser, you can pretty much figure out another browser.
Full searches depend on an indexing program.
This means it does not search every page that exists, just those it has indexed. The best known of the full search engines is Altavista. It can carry out a range of simple and advanced searches. If you just put in a single word, you'll l get every page with every place this word appears. If you want to find two or three words, you can search on them, but you'll get every place all the words appear, no matter their order.