HOW DOES VoIP WORK?

Internet Telephony or VoIP (Voice over internet protocol) is sometimes referred to as the technology of the future as it brings together all those possibilities that until a few years ago were considered as impossible.In this technology broadband internet connectivity switching and the fiber optic alternatives.This process holds great promise in providing higher efficiency and lower cost for communication for consumers.One interesting aspect of the technology is that,for the user,no large-scale infrastructure is required.Its all about combining the functionality of service with minimal software and hardware support.In VoIP,the standard internet connection is converted into a place to make phone calls.

WHAT IS THE USE OF MARKUP LANGUAGE?

The popular language for designing a website is HTML (Hypertext Markup Language).The web designer is must be thorough in HTML.The latest version of HTML after debugging and with added advanced features is named DHTML (Dynamic Hpertext Language),which helps us to make website more attractive.Other language,XML (Extensible Markup Language) has more facilities than DHTML.

METASEARCH

Metasearch is the search in different search engines at the same time.More than that it gives importance for webpages while searching.So this is also used for searching webpages.For example,when we ask for a search in Meta search,it searches in all the related search engines and brings out the information.

HOMEPAGE?

When we open a web page of a person or of an organisation,the first page displayed on he screen is the home page.This page is an index of the information included in other pages of the website.Other pages will have more detailed information.

FREE WEBSITES

We can also create a website without having a domain registered.These facilities are available in websites www.freeservers.com,www.20m.com,www.hypermart.net and there are many websites which provides free websites facilities.The name of the website which provides this facility will be included in our website address.

Example:www.twinkle.hypermart.net

WHO IS DATA ADMINISTRATOR?

A website may contain a lot of data.A data administrator collects all the data and stores it in a proper way for easy management.A person interested to become a data administrator must larn the softwares that are used in data-base management because its not a easy job to become a data adinistrator,you have to really work hard for data administrator.

E-SIGNATURE

When we use the electronic means of communication,electronic signature makes sure of the authorizaion of the documents.There are three stages of E-signature.First is encryption of the document.This is changing the order of the bits arranged in a document to a totally different order.This converts the document to a form that cannot be read by others.This funtion is named as hash function and the resulting document is called hash result.Next step is sending the hash result via any electronic media.The third step is the changing of the encrypted document to its readable form,using a special software.This is decryption.This process helps in the following:

1.To make sure that no correction is made in the document.

2.The sender can be identified and the sender cannot deny this.

WEBSITE

Website is a facility to provide information to the world.World Wide Web keeps all websites together.Once a website is created,(with the information about a person or about a business)this information can be accessed by all having Internet connections.Moreover all the websites will have a unique address eg.www.shoutmeloud.com.

ADVANTAGE OF ADDRESS BOOK FOR E-MAIL

Address Book is used to keep the e-mail address.Suppose we are sending an e-mail to a friend named jerry and if we don't remember his e-mail address,then type jerry in the 'To' prompt.Now all the e-mail address starting with the letter T will be displayed.From that we can easily find the address of jerry

FREE E-MAIL ADDRESS

You can also create an e-mail address even if you don't have an Internet account.In the website hotmail,enter the information asked for and it creates us a free e-mail address.The address of hot mail is http://www.hotmail.com.This service is available in other websites also.

E-MAIL SOFTWARES

There are many e-mails softwares in the market.Some of the major softwares are hotmail,Rediffmail,YahooPine,Send mail,Elm,Eudorafro etc.Besides,Inter browsers like Netscape Navigator,Internet Explorer are also used to send e-mail.

BROWSER SOFTWARE MEANS WHAT??

Browser software is used to find out the website needed by the user and it displays the site on the screen.For example if we want to visit the www.kerala.com,open the browser software and type the address in the address box and press the Enter key button.Within seconds we can see the website on the screen.Internet Explorer,Netscape Navigator etc are some of the important browser softwares.

WHAT IS TELEPHONE CONNECTION?DO YOU HAVE ANY IDEA?

Telephone connection is another important requirement for Internet.It is better to have a leased line or multiple dial-up connection.Mobile phones and cable TV connections with Internet facility can also be used.Now there are softwares to recognise and inform the incoming telephone calls while Internet is in use.In these softwares there are facilities for telephone conversation.

DO YOU KNOW WHAT IS MODEM?

There are many people who doesn't know modem.Function of modem is the conversion of computer information to telephone signals and vice-versa.Modem is the abbreviation of the terms Modulator and Demodulator.

First of all,we should consider the speed of the modem.The speed of a commonly used modem is around 33.6kbps.Modems with higher speed of modem is not less than 33.6kbps.Modem with the facility of fax is more suitable.Do not forget to take the free softwares available with the modem.Modem with lower prices are also available.Price is not the deciding factor of the qualities.Two types of modems are available-internal and external modems.Internal modem means which comes with desktops preinstalled and External modem means which is more desirable.Always buy modem from a reliable dealer to make sure the after sale service.

SOME TIPS TO MAKE WEBPAGE ATTRACTIVE

When more people visit a site,it can be called a popular site.In order to make a site a popular,care must be taken to make it more attractive.

*List our website address and e-mail address in all popular search engines.In most search engines,you can see in the menu,options like 'add URL','submit site' and many more things.Select one of these options and enter all information asked for.

*Send the information about our site to all new website users.

*List your website name in the popular web directories like yahoo.com or google.com

*Use meta tag in all pages

*Take membership in web ring,banner exchange etc which will help to make the website more popular.

*Resubmit the name of the website frequently.

*To attract visitors,use text and graphics moderately.

*Don't put lots of ads,this can make your webpage unattractive.

SOFTWARE TO MEASURE INTERNET SPEED

There are many softwares you will get to measure the speed of Internet connection.The Internet speed varies at times.Using these type of softwares if we can measure the speed,we can limit the use of the internet when the speed is very low.When the speed is very high,we can use lavishly and can save our time and many.

TRY MEDICAL TRANSCRIPTION

This is the most attractive development in medical field using Internet.This is a secretarial job done for a doctor using internet.The doctor in USA or other countries converts his treatment results sent by voice mail into a report using internet.This helps even our doctors to become aware of the latest treatment methods.

A medical transcriptionist must have thorough knowledge of the medical terms and the ability in editing reports using computer.The understanding of American accent and good typing speed are essential.The knowledge of using e-mail and Internet are added advantages.Medical transcription is a profit earning business.It also helps us to earn foriegn exchange.Now the invention of VOICE DATE ENTRY softwares have reduced the future prospects of the business.

HOW INTRANET WORKS?

This is a part within Internet.Intranet is formed for multinational companies.For example,head office of a company may be in USA and the branch in japan.If the H.O and branch are linked in a network-Intranet,the communication becomes easier.The Internet user will not be able to enter into Intranet.The tight security measures are taken for the entry into Intranet.It is possible to enter into Internet from Intranet.

WHAT IS PORTAL AND VORTAL?

This is a website which provides all the information and guidance while using internet.Yahoo,Altavista and many more are well known portal sites.There are many portals which are known nationally and internationally.General portals are known as horizontal portal or vortal.Portals meant for specific purpose are vertical portals or vortals.All ISPs will have their own portals.

All portals are similar to yahoo.Yahoo has classified all the websites in the world wide web into division and subdivision.

While creating portal sites you will have to decide the classification of information to be collected.Next is the collection of information of the divisions decided.The first step of this is to make a directory.Nowadays information like news,climate,e-mail,stock market and maps etc are seen in portals.There is no specific rule to create a portal.When more people visit a portal,the portal becomes a success.

WHAT IS WWW OR WORLD WIDE WEB?

World wide web is a service provided in internet.There is a misunderstanding that WWW and internet are the same because of the popularity.

It is an added attraction of internet.

This is not a programme or software or facility of internet.But still it can be considered as the most useful facility in internet.

WWW is a network of documents with a software to interact with these documents.