ICT

• Internet


  A world-wide global system of interconnected computer networks to access information over the web
• The Web (World Wide Web)


  Information organized into Web pages containing text and graphic images. A larger collection of interconnected documents or content with hypertext links
• Web site


  A collection of linked Web pages that has a common theme or focus
• Home page


  The main page that all of the pages on a particular Web site are organized around and link back to
• Tim Berners-Lee


  English engineer and computer scientist, inventor of the World Wide Web
• Web 1.0 (read only static web)


  • Allows people to read from the internet, first stage of worldwide linking web pages and hyperlink, used as "information portal", uses table to positions and align elements on page
• Web 2.0 (read-write interactive web)


  • Gives users the possibility to control their data, about user-generated content and the read-write web, allows the user to interact with the page (dynamic page), focused on the ability for people to collaborate and share information online via social media, blogging and Web-based communities
• Examples of Web 2.0

  • Social Networking (Facebook, Twitter, LinkedIn, Google+, Pinterest, Tumblr, Instagram, Page)
  • Blogs (Wordpress, Blogger, Tumbler)
  • Wikis (Wikipedia, Wikibooks, Wikiversity, Commons, Wiktionary, Wikiquote, Wikivoyage, Wikidata, Wikinews, Wikispecies, MediaWiki)
  • Video Sharing Sites (Youtube, Facebook, LinkedIn, Flickr, Photobucket, Twitter, Veoh, Dailymotion, VimeoPRO, Myspace.com, Metacafe)
• Key features of Web 2.0

  • Folksonomy - allows users to categorize and classify/arrange information using freely chosen keywords (e.g. tagging)
  • Rich User Interface - content is dynamic and is responsive to user's input
  • User Participation - the owner of website is not the only one who is able to put content, others can contribute
  • Long Tail - services are offered on demand rather than on a one-time purchase
• Web 3.0 (read-write intelligent web)


  • More connected, open, and intelligent, with semantic web technologies, distributed databases, natural language processing, machine learning, machine reasoning and autonomous agents
  • Semantic Web - provides a framework that allows data to be shared and reuse to deliver web content specifically targeting the user
  • A web of data, changing the web into a language that can be read and categorized by the system rather than humans
• Types of websites


  • eCommerce Website
  • Business Website
  • Entertainment Website
  • Portfolio Website
  • Media Website
  • Brochure Website
  • Educational Website
  • Infopreneur Website
  • Personal Website
  • Web Portal
  • Wiki or Community Forum Website
• Internet


  The largest computer network in the world that connects billions of computer users
• Network


  A collection of computers and devices connected via communication channels and transmission media to allow sharing of resources (hardware, software, data, information)
• Nobody owns the internet
• Brief history of internet

  1. ARPA started an experimental computer network in 1969

  2. Concept of no server, equal importance/participation to every computer

  3. Word "internet" started in 1982

  4. First "free net" created in 1986

  5. US government allowed business agencies to connect in 1991
• Vinton Gray Cerf


  • American Internet pioneer, recognized as one of "the fathers of the Internet", sharing this title with TCP/IP co-developer Bob Kahn
• Major components of the internet

  • Servers
  • IP Address
  • Browser
  • Domain Name System (DNS)
  • Internet Service Provider (ISP)
• Servers


  Computer programs that provide services to other computer programs and users
• Types of Servers


  • Application Server
  • Web Server
  • Proxy Server
  • Mail Server
  • File Server
  • Policy Server
• IP Address


  Numerical label assigned to each device to provide identity to a network device
• Browsers


  • Google Chrome, Safari, Internet Explorer, Opera, Mozilla
• Domain Name System (DNS)


  The phonebook of the internet, used to access information online through domain names
• DNS examples


  • www.facebook.com, www.pup.edu.ph, www.academia.edu
• Internet Service Provider (ISP)


  Organization that provides services for accessing, using or participating in the internet
• Types of ISP


  • National ISP - provides internet access to a specific geographic area
  • Regional ISP - business that provides internet access in cities and towns nationwide
• Examples of ISP


  • Sky Broadband, PLDT, Converge
• Uses of internet


  • Look for information
  • School works, jobs, and home purposes
  • Send and receive electronic mail
  • Video teleconferencing
  • Buy and sell product
  • Social networking
  • Watch & post videos
  • Games
  • Take college courses
  • Monitor home while away
  • Financial transactions
  • Download music and movies
• Internet terms & definitions

  • Internet
  • Web
  • Email
  • Social media
  • Online gaming
  • Software updates
  • HTML
  • URL
  • Bit
  • Byte
  • Upload
  • Download
  • HTTP
  • HTTPS
  • Router or router-modem combination
  • Encryption
  • Web Bot
  • Search Engine
• Internet


  A global network of thousands of computer networks linked by data lines and wireless systems
• World Wide Web (Web)


  A collection of billions of webpages that you can view with a web browser
• Email


  The most common method of sending and receiving messages online
• Social media


  Websites and apps that allow people to share, comment, post photos and videos
• Online gaming


  Games that allow people to play with and against each other over the net
• Software updates


  Operating system and application updates can typically be downloaded from the internet
• HTML (Hypertext Markup Language)


  A coding language used to tell a browser how to place pictures, text, multimedia and links to create a web page
• URL (Uniform Resource Locator)


  A web address used to connect to remote resources on the World Wide Web
• Byte


  Generally consists of eight bits
• Upload


  To transfer data from your computer to another computer
• Download


  To transfer data from another computer to your computer
• HTTP (Hypertext Transfer Protocol)


  The data communication standard for web pages