DC014 Lecture Note & Tutorial

3.1.6 Internet Services


















Learning Outcomes:







3.1.6.1 Explain internet services







• World Wide Web (WWW)







• Electronic Mail (e-Mail)







• Internet Messaging (IM)







• Voice Over Internet Protocol (VOIP)







• File Transfer Protocol (FTP)

Internet Services





World Wide Web (WWW)











• World Wide Web a worldwide collection of





electronic documents.







• The World Wide Web (WWW or W3), commonly





known as the website, is a system of interlinked





hypertext documents accessed via the Internet.






• With a web browser, one can view webpages that





may contain text, image, video, and other





multimedia, and navigate between





them via hyperlinks.

Internet Services





World Wide Web (WWW)











• World Wide Web a worldwide collection of





electronic documents.







• The World Wide Web (WWW or W3), commonly





known as the website, is a system of interlinked





hypertext documents accessed via the Internet.






• With a web browser, one can view webpages that





may contain text, image, video, and other





multimedia, and navigate between





them via hyperlinks.

Internet Services





Electronic Mail (e-Mail)











• E-mail is an internet service that allows the






transmission of messages and files via a





computer network.







• One of the original services on the Internet.







• Consist of simple text or can contain






attachments, such as documents, graphics, or





audio/video clips.







• email is non-real time messaging.

Internet Services





Electronic Mail (e-Mail)











• E-mail is an internet service that allows the






transmission of messages and files via a





computer network.







• One of the original services on the Internet.







• Consist of simple text or can contain






attachments, such as documents, graphics, or





audio/video clips.







• email is non-real time messaging.

Internet Services





Electronic Mail (e-Mail)











• Email program allows users to create, send,






receive, forward, store, print, and delete





e-mail messages.







• Integrates with chat, instant messaging, or






voice/video call, and social network.







• Provides free online storage, fast and





productive interface, effective spam filtering.







• Examples of email program:







– Outlook, Gmail, Windows Live Mail,Windows Live




Hotmail

Internet Services





Electronic Mail (e-Mail)











• Email program allows users to create, send,






receive, forward, store, print, and delete





e-mail messages.







• Integrates with chat, instant messaging, or






voice/video call, and social network.







• Provides free online storage, fast and





productive interface, effective spam filtering.







• Examples of email program:







– Outlook, Gmail, Windows Live Mail,Windows Live




Hotmail

Internet Services





Electronic Mail (e-Mail)











• E-mail address is a combination of a username and a





domain name that identifies a user so that he or she




can receive Internet e-mail.






• A username is a unique combination of characters,





such as letters of the alphabet and/or numbers, that




identifies a specific user.






• In an Internet e-mail address, an @ symbol separates





the user name from the domain name.






• Example of email address:





– [email protected]





– [email protected]

Internet Services





Electronic Mail (e-Mail)











• E-mail address is a combination of a username and a





domain name that identifies a user so that he or she




can receive Internet e-mail.






• A username is a unique combination of characters,





such as letters of the alphabet and/or numbers, that




identifies a specific user.






• In an Internet e-mail address, an @ symbol separates





the user name from the domain name.






• Example of email address:





– [email protected]





– [email protected]

Internet Services





Internet Messaging











• A real-time internet service that notify you






when one or more of your established





contacts are online and then allows you to






exchange messages or files or join a private





chat room with them.







• For Real time Internet messaging to work,






both parties must be online at the same time.

Internet Services





Internet Messaging











• A real-time internet service that notify you






when one or more of your established





contacts are online and then allows you to






exchange messages or files or join a private





chat room with them.







• For Real time Internet messaging to work,






both parties must be online at the same time.

Internet Services





Internet Messaging











• A type of online chat which offers real-time






text transmission over the Internet.







• A private chat that allow registered users to





communicate in real time.







• Most Internet messaging today are integrated






in many email service and social network







• Examples:






– Messenger, WhatsApp, Telegram

Internet Services





Internet Messaging











• A type of online chat which offers real-time






text transmission over the Internet.







• A private chat that allow registered users to





communicate in real time.







• Most Internet messaging today are integrated






in many email service and social network







• Examples:






– Messenger, WhatsApp, Telegram

Internet Services





Voice Over Internet Protocol (VoIP)











• A technology that allows user to make free




video or voice calls to other around the world




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.

Internet Services





Voice Over Internet Protocol (VoIP)











• A technology that allows user to make free




video or voice calls to other around the world




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.

Internet Services





Voice Over Internet Protocol (VOIP)











• While some VoIP services only work over your






computer or a special VoIP phone, other





services allow you to use a traditional phone






connected to a VoIP adapter.







• Examples:






– Skype






– Google Meet






– Zoom






– Microsoft Teams






– Google Hangouts

Internet Services





Voice Over Internet Protocol (VOIP)











• While some VoIP services only work over your






computer or a special VoIP phone, other





services allow you to use a traditional phone






connected to a VoIP adapter.







• Examples:






– Skype






– Google Meet






– Zoom






– Microsoft Teams






– Google Hangouts

Internet Services:





Voice Over Internet Protocol (VOIP)











• Advantage of VoIP:







–Do not incur extra charge beyond what the






user is paying for Internet access.







• Disadvantage of VoIP:







–Some VoIP services don't work during





power outages and the service provider






may not offer backup power.







–VoIP providers may or may not offer





directory assistance/white page listings

Internet Services:





Voice Over Internet Protocol (VOIP)











• Advantage of VoIP:







–Do not incur extra charge beyond what the






user is paying for Internet access.







• Disadvantage of VoIP:







–Some VoIP services don't work during





power outages and the service provider






may not offer backup power.







–VoIP providers may or may not offer





directory assistance/white page listings

Internet Services





File Transfer Protocol (FTP)











• An Internet standard that permits file






uploading and downloading to and from





other computers on the Internet.







– Uploading is a process of transferring documents,





graphics, and other objects from a computer to a




server on the Internet.






– Downloading is a process of a computer receiving





information, such as webpages, from server on




the Internet.







• Example - SmartFTP

Internet Services





File Transfer Protocol (FTP)











• An Internet standard that permits file






uploading and downloading to and from





other computers on the Internet.







– Uploading is a process of transferring documents,





graphics, and other objects from a computer to a




server on the Internet.






– Downloading is a process of a computer receiving





information, such as webpages, from server on




the Internet.







• Example - SmartFTP

Summary















• Internet Services







–WWW







–e-Mail







–Internet Messaging







–VoIP







–FTP

Summary















• Internet Services







–WWW







–e-Mail







–Internet Messaging







–VoIP







–FTP

3.1.7 Types of Website
























Learning Outcomes:







3.1.7.1 Describe the types of websites.






• Business






• Portal






• Blog






• Wiki





• Online social network

3.1.7 Types of Website
























Learning Outcomes:







3.1.7.1 Describe the types of websites.






• Business






• Portal






• Blog






• Wiki





• Online social network

The Web















• Web page is an electronic document on the






Web, which can contain text, graphics,





animation, audio, and video.







• Web site is a collection of related webpages






and associated items such as documents and





pictures, stored on a web server.







• Web is a worldwide collection of electronic






documents.

The Web















• Web page is an electronic document on the






Web, which can contain text, graphics,





animation, audio, and video.







• Web site is a collection of related webpages






and associated items such as documents and





pictures, stored on a web server.







• Web is a worldwide collection of electronic






documents.

Types of Websites















• Portal







• Blog







• Wiki







• Online Social Network







• Business

Types of Websites















• Portal







• Blog







• Wiki







• Online Social Network







• Business

Types of Websites





Portal











• A websites that offers a variety of Internet






services from a single, convenient location.







• It is like a one stop center where





we can get everything from one place.

Types of Websites





Portal











• A websites that offers a variety of Internet






services from a single, convenient location.







• It is like a one stop center where





we can get everything from one place.

Types of Websites





Portal











• Services offered by portals:







–Search engine and/or subject directory;







–News;







–Sports and weather;







–Email and other communication services







–Web publishing;







–Reference tools (such as yellow pages, stock






quotes, and maps)







–Shopping

Types of Websites





Portal











• Services offered by portals:







–Search engine and/or subject directory;







–News;







–Sports and weather;







–Email and other communication services







–Web publishing;







–Reference tools (such as yellow pages, stock






quotes, and maps)







–Shopping

Types of Websites





Portal











• Examples of public portals:







–Google







–Yahoo!







–Excite







–GO.com







–Lycos







–MSN

Types of Websites





Portal











• Examples of public portals:







–Google







–Yahoo!







–Excite







–GO.com







–Lycos







–MSN

Types of Websites





Blog











• An informal websites that consists time-






stamped articles in a diary or journal format,





usually listed in reverse chronological order.







• Reflects the interest, opinions and






personalities of the author and sometimes site





visitors.

Types of Websites





Blog











• An informal websites that consists time-






stamped articles in a diary or journal format,





usually listed in reverse chronological order.







• Reflects the interest, opinions and






personalities of the author and sometimes site





visitors.

Types of Websites





Blog











• Related terms:







– vlog (a video blog) – a blog that contains






video clips.






– Microblog – allows users to publish short





messages (ex: Twitter)







– Blogosphere – worldwide collection of blogs







– Vlogosphere – all vlogs worldwide







– Blogger – blog author






– Vlogger – vlog author

Types of Websites





Blog











• Related terms:







– vlog (a video blog) – a blog that contains






video clips.






– Microblog – allows users to publish short





messages (ex: Twitter)







– Blogosphere – worldwide collection of blogs







– Vlogosphere – all vlogs worldwide







– Blogger – blog author






– Vlogger – vlog author

Types of Websites





Blog











• Purpose of blogs:







– Businesses create blogs







• to communicate with employees,





customers, and vendors.






– Teachers create blogs







• to collaborate with other teachers and




students.







– Home users create blogs






• to share aspects of their personal life with





family, friends, and others.

Types of Websites





Blog











• Purpose of blogs:







– Businesses create blogs







• to communicate with employees,





customers, and vendors.






– Teachers create blogs







• to collaborate with other teachers and




students.







– Home users create blogs






• to share aspects of their personal life with





family, friends, and others.

Types of Websites





Wiki











• A collaborative websites that allows users to






create, add to, modify, or delete the websites





content via their web browser.







• Open to modification by the general public.







• Wikis usually collect recent edits on a






webpages so someone can review them for





accuracy.

Types of Websites





Wiki











• A collaborative websites that allows users to






create, add to, modify, or delete the websites





content via their web browser.







• Open to modification by the general public.







• Wikis usually collect recent edits on a






webpages so someone can review them for





accuracy.

Types of Websites





Wiki











• Difference between wiki and blog.






– Wiki contents can be modified by anyone.






– Blog contents can only be modified by the blogger.






• Examples of wiki:







– Wikipedia






– WikiHow






– Wikitravel






– WikiBooks





– Wiktionary






– Wikimedia

Types of Websites





Wiki











• Difference between wiki and blog.






– Wiki contents can be modified by anyone.






– Blog contents can only be modified by the blogger.






• Examples of wiki:







– Wikipedia






– WikiHow






– Wikitravel






– WikiBooks





– Wiktionary






– Wikimedia

Types of Websites





Online Social Network











• A websites that encourages members in its






online community to share their interests,





ideas, stories, photos, music, and videos with






other registered users.







• Popular social networking







Web sites include Facebook, Twitter and







Instagram,

Types of Websites





Online Social Network











• A websites that encourages members in its






online community to share their interests,





ideas, stories, photos, music, and videos with






other registered users.







• Popular social networking







Web sites include Facebook, Twitter and







Instagram,

Types of Websites





Business











• A websites that contains content that






promotes or sells products or services.







• Nearly every business has a business websites.







• Many of these companies also allow you to





purchase their products or services online.







• Examples:







• Malaysia Airlines Online Booking Website







• Trivago

Types of Websites





Business











• A websites that contains content that






promotes or sells products or services.







• Nearly every business has a business websites.







• Many of these companies also allow you to





purchase their products or services online.







• Examples:







• Malaysia Airlines Online Booking Website







• Trivago

Summary















• Describe the types of websites.







–Portal







–Blog







–Wiki







–Online Social Network







–Business