Telnet allows users to access remote computers and use their computing power, software, databases, and archives. The World Wide Web (WWW) organizes and accesses information on the internet using hypertext, which connects documents through links and enables rapid information retrieval. To use the WWW, a browser is needed to navigate between web pages and download information in various formats without requiring login to remote servers. Internet search engines help users locate websites containing useful information by allowing them to enter search terms and presenting relevant results.

7. TELNET:
Some common uses of telnet
service are:
•Using the computing power of the remote
computer.
•Using a soft ware on the remote computer.
•Accessing remote computers data base or
achieve.
•Logging in to ones own computer from another
computer.

8.  World Wide Web or W3 is the most popular and
promising method of organizing and accessing
information on the INTERNET.
 Hypertext is a new way of information storage and
retrieval that enables authors to structure information in
novel ways.
 properly designed hypertext document can help users
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to locate desired type of information rapidly.
 Hypertext documents enable this by using a series of
link.
 link is a special type of item in a hyper text document
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connecting the document to an other document.
 Hyper text documents on internet are known as Web
pages.

10.  use a computer as a Web client, a user needs to load on it
To
a special software tool known as WWW Browser.
Browser provide following navigation facilities.
 not require a user to log in to a server computer.
Do
Enable a user to visit a server computer’s site directly and
access information on it by specifying its URL(Uniform
Resource Locator).
Enable user to create and maintain a personal hot list of
favorite URL.
Maintain a history of server computers visited by user in a
surfing session.
 Enable a user to download information in various formats.

11.  Internet search engine is an application, which helps
users to locate Websites containing useful information
and references.
 search Information:
To
 user types the description of the information using
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the user interference of the search engine.
 These arch engine then searches the requested
information on the WWW and returns the results to
the user.
 Results enable the user to locate the requested
quickly from the last ocean of information available

12. Search Request Interface
enables user to provide description of desired information to the search engine
search engine may allow specifications of simple key words and phrases, combination of
key words and phrases using Boolean operators and exclusion/inclusion operators, and title and
URL limiters Information Discoverer Discovers information from the WWW and creates a
database for the search engine.
Search engine uses the data base to locate useful information during these arch
process.
Presenter of search results:
search engines often list search results in accordance to a relevance score.
Relevance scores reflect the number of times a search term appear s in a web page.
Some search engines also allow users to control relevance score by giving different
weights.