web browser and search engine ! batra computer centre

Ph. No.: 8222066670, 4000670 Website: www.batracomputercentre.com

Email : info.jatinbatra@gmail.com

One way to use the Internet is by surfing, the process of following links from one Web page to another. It can be a lot of fun, but simply surfing the net does not necessarily get us where we need to go. In this lesson we will look beyond basic surfing to quicker ways to find information on the Internet, namely directories and search engines.

Surfing can be interesting and fun, but it is frustrating if you do not find what you are looking for. There are popular web sites that you can go to that provide a lot of information on topics such as these. We find out about these types of web sites in various ways, such as from TV, radio and magazines.

Some web sites contain large amounts of

information on a single subject. These sites

tend to cover fewer topics than popular

directories, but

generally do so in depth.

A good example of this

type of site is the NASA site.

One of the first government agencies to use the Internet was NASA, the National Aeronautics and Space Administration. NASA has great information on the Web, including space exploration, photographs from the Hubbell space telescope, photographs of the surface of Mars, and much more. Visit NASA Web site at

http://www.nasa.gov.

Portal sites refer to Web sites that provide a starting place for finding information on the Internet. Many portals began as simple directories or search engines, but they have added features over time. A portal may be a directory, a search engine or a combinationof both.

Directories try to bring order to the

Internet. However, directories are

limited because the Internet is so

big. Directories

are still a

good place to start.

Some of the bigger directories

are Yahoo!, Excite, Lycos, and

MSN (Microsoft Network).

There are also directories or

indexes for specific audiences

such as Yahooligans for kids.

Yahooligans:http://www.yahooligans.com Excite:http://www.excite.com

MSN:http://www.msn.com

Zoogdisney:http://www.zoogdisney.com

Search engines find information for us by matching specific words to information on the Internet. While it can be tricky to learn how to use them well, search engines can locate obscure information that does not appear in a directory.

There are common command syntaxes or syntax rules for both types as follows:

QuotesCapitalizeWildcards

Boolean connectors

Google http://www.google.com

Northern Lighthttp://www.northernlight.com

HotBothttp://www.hotbot.com

Refdeskhttp://www.refdesk.com

Search engines that use a collection of search engines on the Internet to get information are called metasearchers. They get results from the other engines, get rid of duplicate information, reorganize the results and display the information in the browser window.

MetaCrawler http://www.metacrawler.com

Dogpile http://www.dogpile.com

CNET’s metasearch site http://www.search.com

AskJeeves http://www.ask.com

ADDRESS:

SCO -15, Dayal Bagh,

Near Hanuman Mandir

Ambala Cantt-133001

Haryana

Ph. No.: 9729666670, 8222066670 &0171-4000670

Email ID: info.jatinbatra@gmail.com

Website: www.batracomputercentre.com

web browser and search engine ! batra computer centre

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