This document discusses web browsing and communication. It covers topics like how the internet works, using browsers, web addresses, search engines, RSS, podcasts, email structure, instant messaging, social networking, and security considerations online. Specifically, it defines key terms, explains how to browse the web and send/receive emails, and discusses best practices for safe and polite online communication.

1. Web Browsing and
Communication
BY HASSAN AYAD
TA, Cairo University

2. Web Browsing and Communication
Web Browsing Communication
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3. Web Browsing
 The Internet
 Using the Browser
 Using the Web
 Web Outputs
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4. Communication
 Electronic Communication
 Using e-mail
 E-mail Management
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5. The Internet
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6. Concepts/Terms
set of millions of
computers
worldwide,
connected to the
network with a
purpose of
exchanging data
among users
World Wide Web – one
of the services on the
Internet which we use
to browse web pages
(set of HTML
documents connected
with hyperlinks)
Hypertext Transfer
Protocol – protocol
(rules) that allows
transmission of
information
contained on the Web
Internet WWW HTTP
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7. Concepts/Terms
Uniform Resource
Locator An
address that
directs your
request to the
appropriate
server
and directory
A special type of
text string that
accesses a file or
page by simply
clicking the link
A company that
provides access
to the Internet,
usually for a fee
The protocol used
to exchange (a
form of
downloading)
files via the
Internet
URL Hyperlink ISP FTP
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8. Web Address Structure
 Web address elements of the URL http://www.ITdesk.info are:
 http - protocol (rules of transmission)
 www – type of service available on the Internet
 ITdesk –domain name
 info –top-level domain
 Site types (.com, .gov, .edu, .org)
 International domains (.hr, .si, .it, .de…) are ccTLD - country code top-level
domain
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9. What is a web browser?
 Web browser is a software (program) which allows us to browse web pages.
 Some web browsers are: Mozilla Firefox, Opera, Safari, Internet Explorer,
Google Chrome etc.
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10. What's a Search Engine?
 A search engine is software that runs a keyword or phrase search on Internet
documents.
 Some web browsers are: google, yahoo, bing, etc.
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11. RSS & Podcast
 RSS (Really Simple Syndication) is a method used to publish information that
needs to be frequently updated.
 You can view a demo on RSS in the uploaded slides RSS.pptx
 Podcast is a recording of a radio broadcast or a video that can be taken from
the internet
 You can view a demo on Podcast in the uploaded slides Podcast.pptx
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12. Security Consideration
 Protected Web site requires use of username and password.
 Https and lock symbol identify a secure website.
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13.  Digital certificate proves the identity of a website.
 Encryption is a means of 'scrambling' a message or web page
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Security Consideration

14. Security Consideration
 Malware is a software such as a virus on a computer or
computer network that the user does not know about or want.
 Install antivirus and update regularly.
 Firewall is program that controls and protects ports, allowing
only authorized communication.
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15. Security Consideration
 Risk associated with online activities:
 Unintentional disclosure of personal information.
 Bullying or harassment.
 Targeting of users by predators .
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16. Security Consideration
 Parental control options
 Supervision
 Web browsing
 Computer games restrictions
 Computer usage time limits.
 You can view a demo on Parental Control in
the uploaded slides PC.pptx
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17. Using the Browser/The Web &
Web Output
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18. Using Internet Explorer
 You can view a demo on using IE
browser in the uploaded slides
IE.pptx
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19. Electronic Communication
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20. What is an E-mail?
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21. E-mail Structure
 Structure of an e-mail address is:
 user name,
 @ symbol,
 domain name (name of the computer on the Internet where mail will be delivered
to the recipient)
 top-level domain
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22. SMS & VoIP
 SMS (Short Message Service) allows you to send and receive text messages
between mobile (cell) phones.
 VoIP(Voice over Internet Protocol ) is a technology that allows you to talk with
other people via the Internet.
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23. IM
 Instant messaging (IM) provides a mechanism for real-time communication
between two or more people sending text messages via their computers.
 Benefits of IM:
 Real-time communication
 Knowing whether contacts are online
 Low cost
 Ability to transfer files
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24. Online Virtual Community
Social
Networking
Internet
Forums
Chat
Rooms
Online
Computer
Games
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25. Security Considerations
 Be aware of the possibility receiving a fraudulent and unsolicited e-mail.
 Phishing refers to efforts to trick you into revealing your personal or financial
information.
 Be aware of the danger of infecting the computer with a virus by opening an
unrecognized e-mail message, by opening an attachment.
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26. Security Considerations
A digital signature
 Information on an electronic
message that proves who the
person sending the message is
Sign with your Digital Signature
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27. Advantages of E-mail
 E-mail system has many advantages like:
 Speed of delivery
 Low cost
 Flexibility of using web-based e-mail account in different locations.
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28. Network Etiquette (Netiquette)
 Netiquette includes:
 Using accurate and brief descriptions in e-mail message subject fields
 Brevity in e-mail responses
 Spell checking outgoing e-mail, etc.
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29. E-mail with attachment
 When sending file attachments, you may encounter problem like:
 File size limits
 File type restrictions (for example, executable)
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30. Differences between TO, CC, BCC
 When you send an e-mail, specify contacts with the headers TO, CC, BCC as
the following:
 TO: People for which the message is aimed specifically.
 CC (Carbon file): People to whom a copy of the email will be delivered, but they
are notified with all addresses the message is sent to.
 BCC (Blind Carbon file): People to whom a copy of the email will be delivered, but
they don’t know which addresses the message is sent to.
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31. Using E-mail & E-mail Management
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32. Using E-mail & E-mail Management
 You can view a demo on using the
Outlook email in the uploaded
slides outlook.pptx
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