What is the internet
The
internet a networking infrastructure, it is a massive network of networks. It connects
millions of computers together globally [1 Billion by 2006], forming a network
in which any computer can communicate with any other computer as long as they are
both connected to the internet.
Information
that travels over the internet dose so via variety of languages known as
protocols (HTTP, FTP, SMTP, IRC, etc...) the basic protocol of the internet are
TCP/IP
Much
application run on internet, the most popular one is World Wide Web. some of
the rest are file transfer, email, UseNet news group, instant messaging, etc...
Global infrastructure
The
internet is a giant network spread throughout the world by connecting different
type/levels of computers (from personal computer to high-end workstation).
Although
these computers are at homes, office, school/universities and government
departments, it appears as an information retrieval system with communication
facilities to all users of the internet. At the same time it is system which is
available on demand at all times.
Communication System
Not
like telephone system which as very limited number of services (voice, phone,
fax, etc…), the internet has unlimited number of services this property is
called generality.
Application
which run (execute) at computers connected to the internet can provide these
services. Examples:
- File Transfer
- Instant Messaging
- Discussion Forums (forums on web site, news group etc.)
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