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| How do I get connected to the Internet? With a dial-up account, you use your modem to convert computer bits and bytes into modulated (tonal) signals the phone lines can transmit. These signals are received by a modem at your ISP and demodulated into bits and bytes for their computer. "Modem" is short for "modulator-demodulator". You usually connect to a local ISP and can surf or browse the Internet. Dial-up access is either by way of SLIP (Serial Line Internet Protocol) or PPP (Point to Point Protocol). What is the World Wide Web? The World Wide Web, also referred to as the WWW or W3 or simply "the Web," is the universe of information available via hypertext transfer protocol (HTTP). For the majority of the users the WWW is by far the most exciting aspect of the Internet. It has accelerated the growth of the Internet by giving it an easy to use, point and click, graphical interface. Users are attracted to the WWW because it is interactive, because it is easy to use, and because it combines graphics, text, sound, and animation into a rich communications medium. One of the major differences of a web page from the conventional media is that it is interactive. The WWW is the graphical Internet service that provides a network of interactive documents and the software to access them. It is based on documents called pages that combine text, pictures, forms, sound, animation and hypertext links called hyperlinks. To navigate the WWW, users "surf" from one page to another by pointing and clicking on the hyperlinks in text or graphics. What is E-Mail? Electronic mail, or e-mail, allows computer users locally and worldwide to exchange messages. Each user of e-mail has a mailbox address to which messages are sent. Messages sent through e-mail can arrive within a matter of seconds. What is the use of Telnet? Telnet is a program that allows you to log into computers on the Internet and use online databases, library catalogs, chat services, and more. To Telnet to a computer, you must know its address. This can consist of words (locis.loc.gov) or numbers (140.147.254.3). Some services require you to connect to a specific port on the remote computer. In this case, type the port number after the Internet address. Example: telnet nri.reston.va.us 185. How is FTP useful for me? FTP stands for File Transfer Protocol. This is both a program and the method used to transfer files between computers. Anonymous FTP is an option that allows users to transfer files from thousands of host computers on the Internet to their personal computer account. FTP sites contain books, articles, software, games, images, sounds, multimedia, course work, data sets, and more. On the University network, FTP software is loaded into the IBM, UNIX, and VAX machines. Once the file has been transferred to your computer account, you need to use a telecommunications program to transfer the file to your home PC. New technologies... ©2000 Kelnet communications Pvt. Ltd. All rights reserved. www.kelnetonline.net |
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