computer and application
DESCRIPTION
computer and its applicationTRANSCRIPT
INTERNET AND ITS VARIOUS APPLICATION
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WHAT IS INTERNET ?Internet: A worldwide network of networks. It is also the network of
networks that connects millions computers (called hosts). The Internet
is the virtual space in which users send and receive email, login to
remote computers (telnet), browse databases of information (gopher,
World Wide Web, WAIS), and send and receive programs (ftp)
contained on these computers.
The largest network of networks in the world.
Uses TCP/IP protocols and packet switching .
Runs on any communications substrate.
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How did the internet develop?
The internet as we know it today is actually a very large
wide area network (WAN) connecting computers and
networks around the world.
It makes it possible for millions of computer users to
connect to one another via telephone lines, cable
lines, and satellites.
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HISTORY OF INTERNET
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VARIOUS APPLICATIONS OF INTERNET
Internet applications are now widely available and continues to increase along with advances in information technology. Internet applications are then used in various fields such as academic, military, medical, media, and various other industrial sectors. Of the many existing Internet applications, is widely known and used, among others: Word Wide Web (www)Electronic mailMailing lists (mailing lists)NNewsgroupInternet Relay Chat (IRC)File Transfer Protocol (FTP)Telnet, Gopher, and Ping. The function of each application are as follows.
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World Wide Web (WWW) is the most interesting applications in
the Internet and as e-mail, the application is very important and
widely used. Web documents are created with the format of
hypertext and hypermedia using the HTML. HTML has the ability
to connect a document with other documents. HTML documents
created with it can contain text, images, animation, audio etc.
"The World-Wide Web was developed to be a pool of human
knowledge, and human culture, which would allow collaborators
in remote sites to share their ideas and all aspects of a common
project.
WORLD WIDE WEB (WWW)
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Electronic mail, commonly called email or e-mail, is a method of
exchanging digital messages from an author to one or more recipients.
Modern email operates across the Internet or other computer networks.
An email message consists of three components, the message envelope,
the message header, and the message body. The message header
contains control information, including, originator's email address and
one or more recipient addresses. Usually descriptive information is also
added, such as a subject header field and a message submission date/time
stamp.
ELECTRONIC MAIL
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Mailing lists or mailing lists are often also called Internet
applications that are used as a means of discussion or exchange
information within a group via e-mail. Each e-mail sent to a
mailing list address will be sent to all e-mail address is registered
as a member of the mailing list. Mailing actually another form of e-
mail. This facility is used by groups to exchange information and
discuss other members of the group. Mailing list have the same
nature with the e-mail.
MAILING LIST (MILI)
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File Transfer Protocol (FTP) is a standard network protocol used to transfer files from one host to another over a TCP-based network, such as the Internet. FTP is built on a client-server architecture and utilizes separate control and data connections between the client and server. FTP users may authenticate themselves using a clear-text sign-in protocol but can connect anonymously if the server is configured to allow it.
FILE TRANSFER PROTOCOL
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Gopher is an application used to search for information
that is the internet. However, the information sought is
limited to text only. To obtain information through
gopher, you need to connect themselves with the gopher
server on the Internet.
A Gopher server presents its contents as a hierarchically
structured list of files. With the ascendance of the Web,
many gopher databases were converted to Web sites
which can be more easily accessed via Web search
engines.
GOPHER
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Internet Relay Chat (IRC) is an Internet application used to chat on the
internet. Chatting on the internet is known as chat. Chatting is done by typing
what you want to say to your chat friends, then send it in text form. Through
the chat you can meet and talk with other people in other parts of the world.
It is mainly designed for group communication in discussion forums, called
channels, but also allows one-to-one communication via private message as
well as chat and data transfer, including file sharing.
IRC was created in 1988. Client software is now available for every major
operating system that supports Internet access
INTERNET RELAY CHAT (IRC)
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Telnet is the Internet application used to access a computer that is far. Telnet
you can use if you have an IP address (IP address) of computers that will be
accessible, and you also must have access rights (user ID and password).
Telnet is a network protocol used on the Internet or local area networks to
provide a bidirectional interactive text-oriented communications facility
using a virtual terminal connection. User data is interspersed in-band with
Telnet control information in an 8-bit byte oriented data connection over the
Transmission Control Protocol.
TELENET
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1977: 111 hosts on Internet1981: 213 hosts1983: 562 hosts1984: 1,000 hosts1986: 5,000 hosts1987: 10,000 hosts1989: 100,000 hosts1992: 1,000,000 hosts2001: 150 – 175 million hosts2002: over 200 million hostsBy 2010, about 80% of the planet will be on the Internet
INTERNET GROWTH TREND
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Internet - a challenge and an opportunity
With growing user familiarity with Internet users expect compatible
services from Libraries
Developing necessary network, infrastructure, competence and skills are
key requirements for success.
CONCLUSION