Components of the Internet
www (world wide web)
www is an internet server system that supports hypertext applications to access several internet protocol interfaces. Almost all the protocols that exist on the internet can be accessed via the web including such as Email, Telnet, FTP and Usenet News.
E-mail
Email or electronic mail is a service that can facilitate or assist in sending messages or files via e-mail, which can be received in seconds.
Telnet
Is a program for logging into other computers on the internet so that you can access online databases such as library catalogs, chat services and much more. Untul this telnet to another computer that needs to know the address of the computer, for that address in the form of words such as mail, uns, ac, id or can be a number like 202.158.48.243
FTP (File Transfer Protocol)
Is a method that can be used to transfer files from one computer to another computer on the internet. This FTP site contains books (e-books), softwares articles, games, images and all files on a computer can be transferred via FTP.
Usnet News
It is a discussion system in which millions of computers exchange information on many topics. The main difference between a usnet news and mailing list is that the usenet messege stored on the central computer "server" and the user must be connected to that computer to be able to read or download messages sent to each member's mailbox.
Mailing List
One of the advantages that can be taken from the internet is the opportunity to communicate with one another using email. This internet is a very wide place for discussion communities with certain topics distributed via email. A container for collecting emails in a particular community is by means of this thief list.
Transmission Technology
Broadcast network: has a single communication channel that is shared by all machines on the network. Point-to-point network: consists of several relationships of individual pairs of machines.
The Shape and Size of a Computer Network
LAN (Local Area Network)
A network that has a local network that is in the same physical location that can connect computers with other computers using a cable that is connected to a device that is shared. On this network allows users to use printers and storage devices simultaneously, use programs and send messages or e-mail messages to one or more computer users in the same small office.
MAN (Metropolitan Area Network)
This is a version of Lan that is larger and includes such offices in adjacent companies or a city and can be used for personal or public purposes.
WAN (Wide Area Network)
On a computer network this one can cover a very broad geographical, often including a country or a continent.
Benefits of the Internet
In general, many benefits can be obtained if a person has access to the internet. The following are part of what is available on the internet, among others:
Information for personal life
Which include health, recreation, hobbies, personal development, spiritual, and social
Information for professional / worker life
Which include such as science, technology, trade, stocks, commodities, business news, professional associations, business associations and various communication forums.
Components forming an intranet are basically the same as forming components of an intranet, such as among others:
Browser applications such as Internet Explorer, Opra, Mozilla Firefox, Netscape
Network device
TCP / IP protocol
Server computer
Client computer
Programming languages like html, php, mysql, and others