What r d questions?
Pls post the questions
Ik the answers cause it came in my exam last year...
 
        
             
        
        
        
Google is a web search engine where a software system that is designed to search for information on the World Wide Web, while  subject directory, <span>unrelated to search engines in that, it is created and maintained by human and editors, like Wikipedia.</span>
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I literally have no idea what you're asking for ?