The worldwide computer network which is made up of many smaller networks. It is a global network of interconected computers that communicate with each other via existing telecommunicating networks.
Brief History:
ARPANET (Advanced research Agency Network)
A project that serves as a communication systemin the 1960's
for the military to link computers throughout the U.S. so that messages could
still be transmitted even in times of crisis.
THE WORLDWIDE WEB
A system that allows for worldwide hypertext linking of multimedia
documents, so that information can be linked and accesed regardless of its
physical location.
HTML (Hypertext MarkUp Language)
The language in which web page are formatted and web information
is distributed.
CONNECTING TO THE INTERNET
Hardware
Web Browser
A device that allows computer data to be sent down on
analog computers.
A broadband acces service connection available from major
companies. It allows provides high-speed acces and connecting to
the internet.
A digital technology that enables a single pair of copper wire
to transmit voice, data, image at a high speed, singly or all together
with virtualy no communication error.
A high-speed international digital leased service that allows
point-to-point connection between the Philippine and places abroad.
Also known as Internet Acces Provider (IAP'S) these are companies that
sell connections to people.
A program that allows the user to view a HTML document, usually called
a webpage.
Example:
Microsoft Internet explorer
Netscape Navigator
Some of the transfer protocol specification:
http:// (hypertext transfer protocol)
ftp:// (file transfer protocol)
gopher:// (gopher site)
news: (address of a news group)
mailto: (links to e-mail address)
telnet:// (telnet site)
wais:// (wais site)
The type of site and website name:
.com (commercial site)
.edu (educational institution)
.gov (government agencies)
.org (organizational other than government)
.net (network services provider or resource)
INTERNET SERVICES
Available internet services:
E-MAIL
The most popular and most frequently
used internet service called electronic mail. It has
the same concept as a postal mail where sending e-mail programs
which can be used.
Microsoft exchange
Outlook express
Endom
Pegasus
Netscape Messenger
4 Parts of e-mail adress:
2 common Systems Used for handling e-mail:
POP (Post office Protocol)
Serves to receive all e-mails sent to you and it last untill you
e-mail programs to retrieve it.
IMAP (Internet Messages Protocol)
Generaly works the same way but it is used by cooperate networks.
CHAT AND TALK
Rules to observed by "newbies " in joining chat/discussion groups:
Observed and listen first before joining chat sessions
Go over the FAQ(Frequently Asked Questions)
Be polite and levelheaded during the chat sessions.
Be sure to know the rules and regulations of the particular chat group before joining to avoid embarrassment.
Examples of Instant Messaging programs are:
Yahoo Messenger http://messenger.yahoo.com
MSN Messenger http://messenger.MSN.com
ICQ http://web.icq.com
Excite Messenger http://messenger.excite.com
Lycos Messenger http://www.messenger.lycos.com
INTERNET PHONES
Special Devices Used for Internet Phones:
Sound Card
Microphone
Headset and Speaker
Internet phone Software
The popular systems available for this kind of services are:
AOL Internet Messenger
Yahoo Messenger
AOL Messenger
Net2Phones
Microsoft NetMeeting
Dialpad.com
NEWSGROUP
Common terms used for Newsgroup:
Disscussion group
Bulletin brand
Message Brand Forum
List of Usent is found in:
http://www.tile.net
http://dir.yahoo.com
computers and internet
Internet
Usenet
Newsgroup Directories
INFORMATION RETRIEVAL
Some Methods in Information Retrieval:
FTP(File Transfer Protocol)
a protocol used to provide file transfer across variety of types of computer systems.
Gophers
a menu-based tool for searching public data based tool for searching databases on the net.
WAIS(Wide Area Information Server)
enables user to search for files in specific databases.
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