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2. Ph. No.: 8222066670, 4000670
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Website: www.batracomputercentre.com
 A Web Search Engine is a software that is designed to search foe
information on the World wide web
 It uses the keywords to search for documents that relate t these
key words and then puts the result in to relevance to the topic
that was searched for.

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4. Ph. No.: 8222066670, 4000670
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 Search Engine are Important because over 8 billion web page
available, it would be impossible to search for the information
that is specifically needed. This is why search engines are used
to filter the information that is one of the internet and transform
it into results that each individual can easily access and use
within the matter of seconds

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 CRAWLER BASED
 DIRECTORIES
 HYBRID SEARCH ENGINES
 META SEARCH ENGINES

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 These type of search engine use a “spider’ or a “crawler” to search
the internet. The crawler digs through individual web pages, Pull
to keywords and then adds the pages to the search engines'
database. Google and Yahoo are examples of crawler search
engine.

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Google was founded by Larry Page and Sergey Brin.
The homepage of Google has button labeled as “I’m feeling lucky”. When a user
types in a search and clicks on the button, the user is directly taken to the first
search result.
Google has various “special features” which include weather, unit
conversion, currency conversion, time, calculator, maps etc.

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9. Ph. No.: 8222066670, 4000670
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Yahoo was founded by David Filo and Jerry Yang
Yahoo operates a portal that provides the latest news, entertainment and sports
information.
The portal also gives users access to other Yahoo services like YAHOO Mail,
YAHOO Finance, Yahoo Groups and Yahoo Messenger.

10. Ph. No.: 8222066670, 4000670
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 Directories depend on human editors to create their listing or the
database. Yahoo Directory, Open Directory and Look Smart are
few examples.
 Human-powered directories are good when you are interested in a
general topics of search.

12. Ph. No.: 8222066670, 4000670
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13. Ph. No.: 8222066670, 4000670
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 Hybrid Search engines are search engines that use
both crawler based searched and directory searches
to obtain their results.
 Example:- Yahoo.com, Google.com

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 These transmit user-supplied keywords simultaneously to several
individual search engines to actually carry out the search
 Search results returned, duplicates can be eliminated and additional
features such as clustering by subjects within the search result can
be implanted by meta-search engines.
 Example:- Dogpile, Metacrawler

15. Ph. No.: 8222066670, 4000670
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* A “+” before a word in a search will locate for
documents which definitely contain the word
* A “-” before a word will exclude that word
from search.
* Placing word between quotation marks will
search for phrase between the quotes.
* Using “or” between search phrase will search
each term separately

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 +BLACK+BLUE : The search e=result will contain documents which
contain the word black and the word blue
 BLACK-BLUE : Those document will be returned which contain the word
black but not the word blue.
 “BLACK BLUE” : Those documents will be returned which include the
phrase black blue
 BLACK Or BLUE : Those documents will be returned which contain the
term black or the term blue.

18. Ph. No.: 8222066670, 4000670
Email: info.jatinbatra@gmail.com
Website: www.batracomputercentre.com

19. Ph. No.: 8222066670, 4000670
Email: info.jatinbatra@gmail.com
Website: www.batracomputercentre.com
ADDRESS:
SCO -15, Dayal Bagh,
Near Hanuman Mandir
Ambala Cantt-13300, Haryana
Ph. No.: 9729666670, 8222066670 &0171-4000670
Email ID: info.jatinbatra@gmail.com
Website: www.batracomputercentre.com

20. Ph. No.: 8222066670, 4000670
Email: info.jatinbatra@gmail.com
Website: www.batracomputercentre.com