Unfortunately, information on the Internet also can be difficult to locate time-consuming to locate unreliable If you learn some basic concepts for finding and evaluating sources on the Internet, you may find the Internet useful for locating information on many topics. Other times, you may need to use a search engine to find sites. Search engines such as Yahoo and AltaVista are tools used to search thousands of sites by subject.
Search engines vary in how they work, how they are organized, and in how big and powerful they are.
Can appear in a title, subject heading, or text of an Internet site. AND conbines search terms so that both terms must be included in a document. OR allows you to search for synonyms or word variations in one search. NOT excludes words that might result in false hits which may include your search tems but aren't about your topic. Some hits will discuss chocolate cake , but others may discuss chololate bars and strawberry cake .