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4. E-mail allows you to send pictures, photographs, audio, video files, etc, with
your messages. These pictures, photos, etc, sent through an e-mail are known
as the attachments .
DEVICES NEEDED TO CONNECT TO THE INTERNET
To connect to the internet and use the number of invaluable services it offers,
you need to have the following devices :
1. A multimedia computer .
2. A Modem to connect the computer to the
telephone line.
3. A Telephone line to connect the computer to other
computers all over the world.
4. An ISP account given to you by an Internet Service
Provider company.
5. A Web Browser like Internet Explorer, Opera, Google
Chrome, etc, to let you access websites providing e-
mail services or an e-mail software like Outlook
Express MS Outlook to enable you to send/receive
r
o
e-mails.
What is a Modem? Understanding the ISP(s)
Modem stands for Modulator- Demodulator. A Just as you get a cable TV connection from a cable TV
modem is a device that connects a computer to provider, you get an Internet connection (or Internet
the internet through a telephone line. When a Account) from an Internet Service Provider (ISP) . The
modem receives signals from a computer, it ISP charges you money for connecting to and using
converts them into the telephone signals. While the Internet.
when it receives signals from a telephone line, it
converts them into the digital computer signals.
Computer Telephone Modem Telephone Internet
Signals Signals
Some modems come as separate from the
computer while some modems are in-built inside
the system unit.
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