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3.1.6 INTERNET SERVICES - Coggle Diagram
3.1.6 INTERNET SERVICES
iii. Instant Messaging
Users need to install instant messenger software on the computer or mobile device before they can start messaging with each other.
Examples of IM software: WhatsApp Messenger, Telegram Messenger, Facebook Messenger
i. WWW
The World Wide Web (www) provides a worldwide collection of electronic documents (webpages) for user to
access.
Each webpages can contain text, graphics, animation,
audio and video.
Webpages can be a static page or a dynamic page which can be linked to each other through a hyperlink.
static page
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No interactivity, programming
syntax or web hosting.
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ii. Email
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Function: Allows user to create, send, receive, forward,
store, print, and delete e-mail messages.
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Email programs are available as desktop apps, web apps
and mobile apps.
Examples of desktop e-mail programs: Microsoft Outlook, Opera mail
Examples of free e-mail web applications: Yahoo! mail, Gmail
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iv. VoIP
Voice Over Internet Protocol (VoIP) is a technology that allows user to make voice calls using an Internet connection instead of a regular telephone line (also called Internet Telephony).
Some VoIP services may only allow you to call other people using the same service, but others may allow you to call anyone who has a telephone number - including local, long distance, mobile and international numbers.
Examples of VoIP: Skype, Viber, Google Hangouts, Google Duo
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Disadvantages of VoIP
Some VoIP services don't work during power outages and
the service provider may not offer backup power.
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