Search Engines

Search engines scan the internet for the words or topics we are looking for.

Some of the popular search engines are.

1.      Yahoo and Altavista

2.      HotBot

3.      Web Crawler

4.      Excite

5.      Lycos

6.      Google

 

Yahoo

It is basically a search directory. It is hierarchically organized with subject catalogue or directory of the web which is brows able and searchable.

AltaVista

This has been created by the research facility of digital electronic corporation(DEC) of USA.

This search engine has a spider called scooter that traverse the web and usenet newsgroups.

Indexing is based on the full text of a document. AltaVista search supports full Boolean, phrase, and case sensitive searches. It supports simple and advanced search modes in simple search, AltaVista will find pages that include your search words. In advance search, the page uses the same syntax rules with Boolean operators like &(AND), |(OR), and !( NOT)

HOTBOT

This engine retrieves and indexes web documents using a robot called Slurp. Hotbot offers simple keyword as well as Boolean searches. This search engine is most suitable for searching specific words or phrases.

Web Crawler

It has a web robot called a webbot that creates a daily index of keywords from documents all over the web. The robot starts with a known set of HTML documents and uses the URL in them to retrieve new documents.

Excite

It uses a spider and indexes for the full text search of documents. It offers services like searches that are case sensitive and the use of Boolean operators(&, |, !).

Info seek

It uses a robot that retrieves HTML and PDF documents. It indexes full text and generates a short summary of each document. This offers indexed site searches and divides the web into a number of convenient baskets.

Lycos
This computer programme features a golem that uses heuristics to navigate the online and build a searchable index lycos indexes titles, headings and subheadings of hypertext markup language,FTP, and Gopher documents.

Google

Google is the best matching web sites in a search, it offers a feature to automatically look for the best possible match and load it.

How to set up broad band internet connection in windows XP

1.      Click Start-> control panel -> Network and internet connections -> network connections.

2.      In the network connection window, there are several category options on the left panel. Click creates a new connection under network tasks.

3.      The new connection wizard window will display. Click next. Under network connection type choose connect to the internet then click next.

4.      Select set up any connection manually then click next.

5.      Under internet connection, there are two options for broadband

a.       If we are using DSL connection choose the second option(Connect using a broadband connection that requires a user name and password). Click next.

                                                              i.      On the ISP name field, type preferred name for internet connection. Click    next.

                                                             ii.      On the connection availability window, choose my use only. Click next.

                                                             iii.      Enter account user name and password on the internet account information  window. Click next.

                                                             iv.      Click finish.

b.      If we are using cable modem connection choose the third option. Click next then click finish.

How to create Dial-up internet access connections (Windows)

1.      Click Start then connect to and then show all connections.

2.      Select create a new connection.

3.      The new connection wizard begins and then clicks next.

4.      Select connect to the internet and then next.

5.      We will view a list of network connection type options select connect to the internet then click next.

6.      Select which method of connecting to the internet. Select set up my connection manually. Click next and then select connect using a dial-up modem.

7.      Enter the name of ISP and then click next.

8.      Enter the dial-up access number and then click next.

9.      Enter user name and password as provided by ISP.

10.  De-select use this account name and password when anyone connects to the internet from this computer.

11.  De-select make this the default internet connection.

            Click next then click finish.