HISTORY OF INTERNET_0.pdf

VIRGEN MILAGROSA UNIVERSITY SENIOR HIGH SCHOOL LOVELY ANN T. FERNANDEZ, LPT INSTRUCTOR UNIT I History of Internet LESSON 2 Contents 1.World Wide Web 2.Trends in ICT The orig...

VIRGEN MILAGROSA UNIVERSITY SENIOR HIGH SCHOOL LOVELY ANN T. FERNANDEZ, LPT INSTRUCTOR UNIT I History of Internet LESSON 2 Contents 1.World Wide Web 2.Trends in ICT The origins of the internet are rooted in the USA of the 1950s. The Cold War was at its height and huge tensions existed between North America and the Soviet Unions What were the problems with early computers? The first supercomputers were designed to simulate explosions, crack codes and consolidate surveillance data. After the launch of the Soviet satellite Sputnik I in 1957, the US recognized the need for a communication system that could not be affected by a Soviet nuclear attack. The Advanced Research Projects Agency Network (ARPANET) was the first wide- area packet-switched network with distributed control and one of the first computer networks to implement the transmission-control protocol or TCP/IP protocol suite. Both technologies became the technical foundation of the Internet. ❖ President Dwight D. Eisenhower formed the ARPA bringing together some of the best scientific minds in the country.  NETWORK a group of connected computers that are able to send data to each other. A computer network is much like a social circle, which is a group of people who all know each other, regularly exchange information, and coordinate activities together.  INTERNET Composed of millions of small computer networks all brought together to form the vast “Inter Network” A network of networks. It connects private, public, academic, business and government networks. Who is the creator of WWW? HTTP URI  WEB 1.0 (The Static Web) “read-only web” “Like going to a library” We can: read pages, explore a website, but can’t add anything of our own search the site or the web itself for information; sometimes fill out a form WEB 1.0 Example: Personal Web Page (gives information about the site’s owner, but never changes)  WEB 2.0 (The Social Web) “social web”, “interactive web” “Like a workshop, or a party” We can: interact with a website, not just read it; communicate with other users of a website, or even of different websites interact with the website itself, and even change it WEB 2.0 Examples: Facebook, Wikipedia, Flickr, YouTube, new sites where we can leave comments and choose which kinds of news we want to see WEB 2.0 KEY FEATURES FOLKSONOMY n allows users to categorize and classify information using freely chosen keywords (i.e. social tagging) n popular social networking sites such as Twitter, Instagram, Facebook use tags that start with a pound sign (#) or hashtag WEB 2.0 KEY FEATURES RICH USER INTERFACE n content is dynamic and responsive to user’s input n In the case of social networking sites, when logged on, your account is used to modify what you see in their website WEB 2.0 KEY FEATURES USER PARTICIPATION nthe owner of the website is not the only one who is able to put content nothers are able to place a content on their own by means of comments, reviews and evaluations  WEB 3.0 (The Semantic Web) “web of meaning” “Like having a personal web assistant” We will: search the web in a more intelligent way – the browser will retrieve information for us, and even offer suggestions we may not have thought about while searching for information  WEB 3.0 Examples: Google and other searches that give suggestions based on what you type News and information sites, that show articles based on what you have already looked at  Sites that allows you to connect with other people with the same interests or background Example: Facebook, Google+  Sites that allow you to store and manage links to various website and resources; also allows you to create a tag allows you to and others easily share them Example: StumbleUpon, Pinterest  Sites that allow users to post their own news items or links to other news sources; users can also comment on the post and comments may also be rank Example: reddit, digg  Sites that allow you to upload and share media content like images, music and video Example: Flickr, YouTube, Instagram  Sites that focus on short updates from the user; those that subscribed to the user will be able to receive these updates Example: twitter, plurk  Sites that allow user to post their content; other users are able to comment on the said topic Example: blogger, Wordpress, tumblr  iOS – use in apple devices such as iPhone and iPad Android – open source OS developed by Google (can use it for free) Windows Phone OS – closed source and proprietary operating system developed by Microsoft Web OS – originally used in smartphones; now used in SmarTVs