Computers today. Гурьянова В.И. - 35 стр.

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Chat programs allow users on the Internet to communicate with each
other by typing in real time. They are sometimes included as a feature of a Web
site, where users can log into the “chat room” to exchange comments and infor-
mation about the topics addressed on the site. Chat may take other, more wide-
ranging forms. For example, America Online is well known for sponsoring a
number of topical chat rooms.
Internet Relay Chat (IRC) is a service through which participants can
communicate to each other on hundreds of channels. These channels are usu-
ally based on specific topics. While many topics are frivolous, substantive
conversations are also taking place. To access IRC, you must use an IRC
software program.
A variation of chat is the phenomenon of instant messaging. With instant
messaging, a user on the Web can contact another user currently logged in and
type a conversation. Most famous is America Online’s Instant Messenger. ICQ,
MSN, and Yahoo also offer chat programs.
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.
A powerful aspect of e-mail is the option to send electronic files to a per-
son’s e-mail address. Non-ASCII files, known as binary files, may be attached
to e-mail messages. These files are referred to as MIME attachments. MIME
stands for Multimedia Internet Mail Extension, and was developed to help e-
mail software handle a variety of file types. For example, a document created in
Microsoft Word can be attached to an e-mail message and retrieved by the re-
cipient with the appropriate e-mail program. Many e-mail programs, including
Eudora, Netscape Messenger, and Microsoft Outlook, offer the ability to read
files written in HTML, which is itself a MIME type. 
      Chat programs allow users on the Internet to communicate with each
other by typing in real time. They are sometimes included as a feature of a Web
site, where users can log into the “chat room” to exchange comments and infor-
mation about the topics addressed on the site. Chat may take other, more wide-
ranging forms. For example, America Online is well known for sponsoring a
number of topical chat rooms.
      Internet Relay Chat (IRC) is a service through which participants can
communicate to each other on hundreds of channels. These channels are usu-
ally based on specific topics. While many topics are frivolous, substantive
conversations are also taking place. To access IRC, you must use an IRC
software program.
      A variation of chat is the phenomenon of instant messaging. With instant
messaging, a user on the Web can contact another user currently logged in and
type a conversation. Most famous is America Online’s Instant Messenger. ICQ,
MSN, and Yahoo also offer chat programs.

                                         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.
      A powerful aspect of e-mail is the option to send electronic files to a per-
son’s e-mail address. Non-ASCII files, known as binary files, may be attached
to e-mail messages. These files are referred to as MIME attachments. MIME
stands for Multimedia Internet Mail Extension, and was developed to help e-
mail software handle a variety of file types. For example, a document created in
Microsoft Word can be attached to an e-mail message and retrieved by the re-
cipient with the appropriate e-mail program. Many e-mail programs, including
Eudora, Netscape Messenger, and Microsoft Outlook, offer the ability to read
files written in HTML, which is itself a MIME type.

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