[internet]
[internet service] [classification network]
[network architecture] [network topology]
internet service
§What is WWW:
§World Wide Web or Web
§The most widely used internet
service
§Consists of a worldwide collection
of electronic documents
§Each document is called web page and containts text, graphics, animation,
audio and video.
§Only web browser can retrieve and
display the content.
§What is an E-Mail?
•E-mail (short for electronic mail )
is the transmission of messages and
files via a computer
network.
§An e-mail program is used to create, send, receive,
forward, store, print, and delete e-mail messages.
•Example: Gmail, Yahoo! Mail
§An e-mail address is a combination of a user name and
a domain name that identifies a user so that he or she can receive Internet
e-mail.
§A user name is a unique combination of
characters, such as letters of the alphabet and/or numbers, that identifies a
specific user.
§An address book, or contacts folder, contains a list of names and
e-mail addresses.
An attachment in e-mail message, is a file to supplement the body of the e-mail
message
§What is an Instant Messaging?
•Instant messaging (IM) is a real-time Internet
communications service that notifies you when one or more
people are online and then allows you to exchange messages or files or join a
private chat room with them.
•Real
time means that you and the people with whom you are conversing are online
at the same time.
§Examples of popular Instant Messaging:
•AIM (AOL Instant Messenger)
•Google Talk
•MySpace IM
•Windows Live Messenger
•Yahoo! Messenger
§What is a VoIP?
•VoIP, (Voice over IP, or Internet
Protocol) also called Internet telephony, enables
users to speak to other users over the Internet.
§Examples of popular VoIP:
•Skype
•Windows Live Call
•Yahoo! Voice
§What is
a Message Board?
A message board is a Web-based
type of discussion group
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Internet
Services
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Types
of Communication
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Brief
Description
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VoIP
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Internet telephony that enables
users to speak to other users over the Internet.
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Message Board
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A Web-based type of discussion
group.
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File Transfer Protocol (FTP)
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Internet standard that permits
file uploading and downloading with other computers on the Internet.
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