INTERNET APPLICATION AND SERVICES
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But what does one do with the Internet? May be four things, basically: mail, discussion groups, long-distance computing, and file transfers. Internet mail is (e-mail or electronic mail), much faster as compared to normal postal mail. One can also send software and certain forms of compressed digital image as an attachment. News groups or discussion groups facilitate Internet user to join for various kinds of debate, discussion and news sharing. Long-distance computing was an original inspiration for development of ARPANET and does still provide a very useful service on Internet. Programmers can maintain accounts on distant, powerful computers, execute programs. File transfer service allows Internet users to access remote machines and retrieve programs, data or text.
(a) Internet Applications
We can roughly separate internet applications into the following types: media, information search, communications,communities, entertainment, e-business, finance and other applications.
The internet is treated as one of the biggest invention. It has a large number of uses..
2. Job searches
3. Finding books and study material
4. Health and medicine
8. Stock market updates
10. Business use of internet: There are different ways by which intenet can be used for business are:
• Information about the product can be provided online to the the customer .
• Provide market information to the business eg Stock Market
• It help business to recruit talented people.
• Help in locating suppliers of the product
• Feedback and reviews about companies product
• Eliminate middle men and have a direct contact with customer .
• Providing information to the investor by providing companies back ground and financial information on web site.
(b) Services of Internet
Email is an important communications service available on the Internet. Pictures, documents and other files are sent as email attachments. Emails can be cc-ed to multiple email addresses
Internet telephony is another common communications service made possible by the creation of the Internet. VoIP stands for Voice-over-Internet Protocol, referring to the protocol that underlies all Internet communication.
2. Data Transfer:
File sharing is an example of transferring large amounts of data across the Internet. A computer file can be emailed to customers, colleagues and friends as an attachment. It can be uploaded to a website or FTP server for easy download by others. Some of the example of file sharing are:-
• TELNET( Remote Computing)
Telnet or remote computing is telecommunication utility software, which uses available telecommunication facility and allows you become a user on a remote computer. Once you gain access to remote computer, you can use it for the intended purpose. The TELNET works in a very step by step procedure. The commands typed on the client computer are sent to the local Internet Service Provider (ISP), and then from the ISP to the remote computer that you have gained access. Most of the ISP provides facility to TELENET into your own account from another city and check your e-mail while you are traveling or away on business.
The following steps are required for a TELNET session
• Start up the TELNET program
• Give the TELNET program an address to connect (some really nifty TELNET packages allow you to combine steps 1 and 2 into one simple step)
• Make a note of what the “escape character” is
• Log in to the remote computer,
• Set the “terminal emulation”
• Play around on the remote computer, and
Many people use the terms Internet and World Wide Web, or just the Web, interchangeably, but the two terms are not synonymous. The World Wide Web is a global set of documents, images and other resources, logically interrelated by hyperlinks and referenced with Uniform Resource Identifiers (URIs). Hypertext Transfer Protocol (HTTP) is the main access protocol of the World Wide Web, but it is only one of the hundreds of communication protocols used on the Internet. Internet is interconnection of large number of heterogeneous computer networks all over the world that can share information back and forth. These interconnected network exchange information by using same standards and protocols.
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