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Unformatted text preview: sales quotes. Through a well-defined authorization
and authentication scheme, the Internet services are then used to accept orders
placed by the customers, to handle order payments, and to track orders to
For example, the Internet Mall is a collection of shops, each
providing several products or services for sale. For a list of the available products
or services at the Internet Mall, you can ftp to the Internet site ftp.netcom.com and
look in the directory /pubs/Guides. Similarly, the Internet site amazon.com is a
WWW-based book shop on the Internet where information on all types of
International books can be found and books can also be ordered on-line.
10. World-wide video conferencing.
World-wide video conferencing is an
emerging service on the Internet that allows a group of users located around the
globe to talk and interact with each other as if they were sitting and discussing in a
single room. The parties interacting can see each other talking on their computer
screens and can hear each other's voice through a special audio-device fixed in their computers. The CU-SeeMe system developed at Cornell University is an
example of an Internet-based video conferencing system. For information on CUSeeMe, you can ftp to the Internet site gated.cornell.edu and look in the
directory /pub/video/CU-SeeMe.FAQ. 76.txt.
HOW TO GET CONNECTED TO THE INTERNET?
We saw that the Internet can be put to many different types of usage. However,
before one can even think of using the Internet, he/she has to be connected to this
worldwide communications network. There are four basic ways to get connected
to the Internet:
2. Remote Dial-up
4. Commercial Online Service
Each of these options varies in terms of hardware and software required for
connection, cost of connection, and flexibility of usage (what can and cannot be
done). Let us consider these options one by one to understand their connectivity
In this method, a dedicated (leased) phone...
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This document was uploaded on 04/07/2014.
- Spring '14