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ECDL Module 7: Web Browsing and Communication


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This presentation covers module 7 in ECDL which is divided into two sections. The first section, Web Browsing, requires the candidate to know about the Internet and to use a web browsing application. The second section, Communication, requires the candidate to understand some of the concepts of electronic mail (e-mail) and know about other communication options.
Through studying this module, the learner will be able to understand how to use internet and email in a safe and secure way, explaining key terms and developing fundamental knowledge of computer security.


Published in: Education

ECDL Module 7: Web Browsing and Communication

  1. 1. Web Browsing and Communication BY HASSAN AYAD TA, Cairo University
  2. 2. Web Browsing and Communication Web Browsing Communication 2
  3. 3. Web Browsing  The Internet  Using the Browser  Using the Web  Web Outputs 3
  4. 4. Communication  Electronic Communication  Using e-mail  E-mail Management 4
  5. 5. The Internet 5
  6. 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 6
  7. 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 7
  8. 8. Web Address Structure  Web address elements of the URL 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 8
  9. 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. 9
  10. 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. 10
  11. 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 11
  12. 12. Security Consideration  Protected Web site requires use of username and password.  Https and lock symbol identify a secure website. 12
  13. 13.  Digital certificate proves the identity of a website.  Encryption is a means of 'scrambling' a message or web page 13 Security Consideration
  14. 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. 14
  15. 15. Security Consideration  Risk associated with online activities:  Unintentional disclosure of personal information.  Bullying or harassment.  Targeting of users by predators . 15
  16. 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 16
  17. 17. Using the Browser/The Web & Web Output 17
  18. 18. Using Internet Explorer  You can view a demo on using IE browser in the uploaded slides IE.pptx 18
  19. 19. Electronic Communication 19
  20. 20. What is an E-mail? 20
  21. 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 21
  22. 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. 22
  23. 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 23
  24. 24. Online Virtual Community Social Networking Internet Forums Chat Rooms Online Computer Games 24
  25. 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. 25
  26. 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 26
  27. 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. 27
  28. 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. 28
  29. 29. E-mail with attachment  When sending file attachments, you may encounter problem like:  File size limits  File type restrictions (for example, executable) 29
  30. 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. 30
  31. 31. Using E-mail & E-mail Management 31
  32. 32. Using E-mail & E-mail Management  You can view a demo on using the Outlook email in the uploaded slides outlook.pptx 32