Which one of the following is not a search engine?
Windows
Answer: (B) Windows
The knowledge is found and listed, on the World Wide Web. The provided Google, Yahoo and Bing are examples of search engines. But the window is an operative system.
Search engine
The name of the search engine means that it is searching for the information that the user needs. A search engine is a software system able to support Internet searches, which involves systematically searching the World Wide Web for specific information mentioned in a textual web search query. The search terms are normally shown in a line, which is known as a search engine results page.