Computer – Important Terms Used in Internet

An Internet is a global connection of computers linked together by cables and telephones and makes the communication possible among them.    We can also say that an internet is a ” computer network consisting of a worldwide network of computer networks that use the TCP/IP network protocols to facilitate data transmission and exchange”.     The following are some of the basic rules used for transferring the data across internet.

·         For such communication, the address of the destination and a safe means of moving data are required.

·         The rules governing the sending and receiving of data on the Internet are implemented in two parts as Transmission Control Protocol (TCP) and Internet Protocol (IP).

·         Transmission Control Protocol divides the data into little data packets.

·         The rule of Internet Protocol here is put destination addressing information on such packets.

·         Hosts are in general, individual machines at a particular location.

·         Domains are general category that a computer on the internet belongs to.

·         E-mail is mainly used for sending electronic piece of text.

·         Use net and news groups are set up by people sharing common interests ranging from current topics to cultural heritages.

·         Telnet is a program that allows and Internet host computer to became a terminal of another host on the Internet.

·         Gopher displays a set of resources on the Internet in the form of menus or lists of items.

Users of Internet and Some Basics :

At present internet contains billions of web pages which have been created by people and companies across the world.   Thus, it has almost  limitless location and is used to access information and entertainment. The Internet also has thousands of services that help make life more convenient.  For example, banks offer online banking that enables a user to manage and view their account online.    Similarly, youth can apply for jobs online.

•  The Internet is explored, which is more commonly referred to as surfing, using a computer browser.
• Finding information on the Internet is achieved by using a search engine e.g. Google
• Users browse web pages by following hyperlinks.
• Files, pictures, songs, and video can be shared by uploading and downloading.
• The Internet is also used for communicating with others through social networks, forums, chat, e-mails, and IM, for example Facebook, Skype

Some Common Terms Used in Internet

·         Hypertext Markup Language (HTML) is a language to create documents for words wide web.

·         Standard Generalised Markup Language ( SGML) is used to define the structure and mange the content of a digital document.

·         World Wide Web (WWW) is a giant collection of hypertext pages on the Internet.

·         Hyper Text Transfer Protocol (HTTP) is used to manage all the linkings between one hypertext document and another.

·         On the Internet, a home page may be related to a single person a specific subject, or to a corporation.

·         Uniform Resource Locator(FTP) is a way to avail of Internet resources.

·         File Transfer Protocol(FTP) is used to access a remote Internet host.

·         Modem is a device allowing a computer to transmit information over a telephone line. It acts as a modulator and demodulator while the process of transmitting and receiving.

·         Wide Area Information Service (WAIS) is a type of service to access text databases or libraries on the Internet.

·         Mosaic gives access to Internet resources by using graphical user interface allowing users to navigate through hypertext documents.

·         Archie is used to locate files available by anonymous FTP, it is also known as Global Librarian.