ISDN Lines
For the small business and home user; an ISDN line provides faster transfer rates that dial-up telephone lines. Integrated services Digital Network (ISDN) is a set of standard for digital transmission of data over standard copper telephone lines. With ISDN, the same telephone line that could carry only one computer signal, now can carry three or more signals at onse throught the some lines, using a technique called multiplexing.

DSL is another digital altenative for the small business of homw user. DSL (digital subscriber line) transmeits at fast speeds on existing standard copper telephone wiring. Some of the DSL installations can procide a dial tone, so you can use the line for both voice and data.
ADSL(asymmetric digital subscriber line) is a type of DSL that supports faster transfer rates is when receiving data (the dounstream rate) then when sending date (the upstream rate.) ADSL is ideal for Internet access because most users download more information from the Internet that they upload.

Cable Television Lines
Although cables television(CATV) line, are not a type of telephone line, the are a very popular type of dedicated line that allows the home user to connect ot the Internet. Data can be transmitted very rapidlyvia a cable modem connected to a CATV line.

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Connecting to the Web
User access Web sites through the public switched telephone network(PSTN) is the world wide telephone system that handles voice-oriented telephone calls. Nearly user digital technology, with the exception of the final link from the local telephone company to a homw, which usually is analog.

Dial -Up Lines
A Dial-up line is a temporary connection that user one or more analog telephone lines for communications. A dial-up connection is not permanent. Using a dial-up line to transmit data is similar to using the telephone to make a call. A modem at the sending end dials the telephone number of a modem at the receiving end answers the call, a connection is established and data can be transmitted. When either modem hangs up the communications end.

Dedicated Lines
A dedicated line is a connection that always is established between two communications devices (unlike a dial-up line in which the connection is established each time it is used. The quality and consisted lines provide a constant connection. Business often use dedicated lives to connect geographically distant offices. Dedicated lines either can be analog or digital. Digital lines increasingly are connecting home and business users to networks around the globe because they transmit data and information at faster rate than analog lines.

We are now done in the first to third Accessing Information's in the Web. In the next post, we are going to finish the remaining topic Accessing Information's.
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The Web can seem both mysterious and intimidating. It is awesome that something virtual and so vast can be accessed and productivity searched. Users access the Web using a variety of means. The more common connections to the Internet involve some use of telephone lines, but newer methods that include cable and wireless transmissions also are being used. The following sections describe connection methods and Internet service providers that make accessing and searching the Wold Wide Web possible.

1.Connecting to the Web.
2.Dial-Up Lines
3.Dedicated Lines
4.ISDN Lines
5.DSL
6.Cable Television Lines
7.T-carrier Lines
8.Service Providers

On the next post we are going to discus the following sections.
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Rocreh Web Design
duties for Web designing

First topic is all about the Internet. An internet is the most popular and fastest growing area in computing today. Using the internet , you can do research, get a loan, shop for services and merchandise, job hunt, buy and sell stocks, display weather maps, obtain medical advice, watch movies, listen to high quality music, and converse with people worldwide.

the World Wide Web
Computer system have the capability of delivering information in a variety of ways, say such as graphics, sounds, video clips, animation, and of course regular text.

the Web Browser
To view Web pages on a computer monitor, you need a Web browser, also called a browser which is specific software program that allows for the display of Web pages.

the Web Design Role
Depending on circumstances, when creating a Web site, you way be working in a partner or group situation, all participant's strengths should be identified so the appropriate role can be assigned.

the Web Page Designer
As a Web page designer, your primary role is to convert text into HTML documents. Your responsibilities also may include graphic design and WEb site setup and maintenance.

the Web Programmer
A Web programmer must be highly skilled in advanced programming languages, such as practical Extraction and Report Language(Perl), Java Script, and Virtual Reality Modeling Language(VRML).

the Webmaster
A Webmaster's responsibilities vary dramatically, depending primarily an the staffing and other resources devoted to developing a Web site.

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WEB is a computer programming system created by Donald E. Knuth as the first implementation of what he called "literate programming": the idea that one could create software as works of literature, by embedding source code inside descriptive text, rather than the reverse (as is common practice in most programming languages), in an order that is convenient for exposition to human readers, rather than in the order demanded by the compiler.

source: En.Wikipedia.Org