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Internet Search Ppt
 

Internet Search Ppt

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    Internet Search Ppt Internet Search Ppt Presentation Transcript

    • Erman Javed Computer Applications I 2 nd block
      • Google was co-founded by Larry Page and Sergey Brin while they were students at Stanford University and the company was first incorporated as a privately held company on September 7, 1998.
      • Internet giant Yahoo! began in 1994 as a personal project by David Filo and Jerry Yang, electrical engineering students at Stanford University. Initially a simple list of interesting websites, Yahoo.com began to file these Internet links in topical categories as the list grew. Thus, the basic concept of an editorially selected, tiered database of we blinks was introduced.
      • Meta Search Engines- sends requests to several search engines simultaneously and compiles the results. AltaVista.
      • Boolean is implied in man y search engines but still a valuable method for narrowing
      • Boolean logic-
      • Uses operations with keywords to narrow such parameters
      • Operations include AND, Or, and. *,+,-, Not
      • And narrows results by searching for pages that contain both keywords.
      • Or responds results by pages that contain either of the keyword.
      • Quotation marks narrow results by searching for phrases.
      • Different language support- searches for words in different languages
      • Spell Checker- gives suggestions if the word keyed for the search is misspelled
      • Phonebook: uses phone numbers to search for locations and addresses
      • Math- solves basic math problems and converts equivalents
      • Individual search engine- uses computer programs called “spiders”, “crawlers”, or “robots” to match key search words with the web pages that contain them.
      • Google is a major player in the online advertising industry. Every time you search Google, you'll see ads displayed along with your results. Those ads are never "mixed in" with the results - there is no "pay to play" on Google... which is one of the reasons Google became the most popular search engine in the first place. But the sponsored text-link ads above and to the right of the results generate a great deal of money for Google. These ads are known as "Google Adwords." Those who wish to advertise via Google can learn more on
      • Web browser is a software application which enables a user to display and interact with text, images, videos, music, games and other information typically located on a Web page at a Web site on the World Wide Web or a local area network.
      • Examples of browsers are:
      • Internet Explorer
      • Netscape
      • Opera
      • Firebird
      • Safari
      • Its called Google chrome
      • Google Chrome is clean and fast. It gets out of your way and gets you where you want to go.