CSC 111 Internet, WWW & E-commerce PDF

CSC 111 Internet, WWW and E-commerce Objectives Overview Describe the Discuss the Briefly describe purpose of an IP evolution of the various broadband address and its Internet Internet connections r...

CSC 111 Internet, WWW and E-commerce Objectives Overview Describe the Discuss the Briefly describe purpose of an IP evolution of the various broadband address and its Internet Internet connections relationship to a domain name Describe features of browsers and Describe ways to identify the compose effective components of a search text web address 2 Objectives Overview Explain how email, email Explain how the web Explain benefits and lists, instant messaging, uses graphics, risks of using online chat rooms, online animation, audio, video, social networks discussions, VoIP, and and virtual reality FTP work Identify the rules of netiquette 3 The Internet  The Internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals. 4 The Internet  The Internet originated as ARPANET in September 1969 and had two main goals: Allow scientists at Function even if part different physical of the network were locations to share disabled or information and destroyed by a work together disaster 5 The Internet Today Millions of 1969 ARPANET hosts connect to the becomes functional Internet 1984 ARPANET has more than 1,000 individual computers linked as hosts 6 Connecting to the Internet  With wired connections, a computer or device physically attaches via a cable or wire to a communications device  Computers without a communications device can use a wireless modem or other communications device that enables wireless connectivity 7 Connecting to the Internet 8 Connecting to the Internet Wired Wireless Cable Internet service Wi-Fi (wireless fidelity) DSL (digital subscriber Mobile broadband line) Fixed wireless Fiber to the Premises Satellite Internet (FTTP) Service 9 Connecting to the Internet  A hot spot is a wireless network that provides Internet connections to mobile computers and devices 10 Connecting to the Internet  An Internet service provider (ISP) is a business that provides individuals and organizations access to the Internet free or for a fee  Bandwidth represents the amount of data that travels over a network  Megabyte (MB)  Gigabyte (GB) 11 Connecting to the Internet  An IP address is a sequence of numbers that uniquely identifies each computer or device connected to the Internet  A domain name is a text-based name that corresponds to the IP address  A DNS server translates the domain name into its associated IP address 12 Connecting to the Internet 13 Connecting to the Internet 14 The World Wide Web  The World Wide Web (WWW), or web, consists of a worldwide collection of electronic documents (webpages)  A website is a collection of related webpages and associated items  A web server is a computer that delivers requested webpages to your computer  Web 2.0 refers to websites that provide a means for users to share personal information, allow users to modify website content, and provide applications through a browser 15  The World Wide Web  A browser is an application that enables users with an Internet connection to access and view webpages on a computer or mobile device  A home page is the first page that a website displays  Current browsers typically support tabbed browsing 16 The World Wide Web  A webpage has a unique address, called a web address or URL (Universal Resource Locator). 17 Accessing the Web  A web search engine is software that finds websites, webpages, images, videos, news, maps, and other information related to a specific topic  A subject directory classifies webpages in an organized set of categories, such as sports or shopping, and related subcategories 18 Search Operators  Search operators can help to refine your search 19 Types of Websites Entertainment Shopping Education Finance Weather, Research Health Sports & News E-commerce  Electronic commerce, also known as e-commerce, is the buying and selling of goods over the Internet.  Electronic commerce is fast-growing and widely used in part because it provides incentives for both buyers and sellers.  There are three basic types of electronic commerce:  Business-to-consumer (B2C) commerce e.g. Jumia, Amazon  Consumer-to-consumer (C2C) commerce e.g. eBay  Business-to-business (B2B) commerce Digital Media on the Web  Multimedia refers to any application that combines text with media Graphics Animation Audio Virtual Video Reality 22 Other Internet Services  Email is the transmission of messages and files via a computer network  An email program allows you to create, send, receive, forward, store, print, and delete email messages 23 Other Internet Services  Instant messaging services 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 24 Other Internet Services  VoIP (Voice over IP) enables users to speak to other users via their Internet connection 25 Other Internet Services  FTP (File Transfer Protocol) is an Internet standard that permits file uploading and downloading to and from other computers on the Internet  Many operating systems include FTP capabilities  An FTP server is a computer that allows users to upload and/or download files using FTP 26 Netiquette  Netiquette is the code of acceptable Internet behavior 27 Summary Various types Evolution of The web of websites the Internet and media Other services available on Netiquette the Internet 28