Web designing

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Created by
hailey_xingfu

Cards (155)

  • Internet

    Interconnection of computer networks
  • Internet is a global network that connects billions of computers across the world with each other and to the World Wide Web
  • Internet uses standard internet protocol suite (TCP/IP) to connect billions of computer users worldwide
  • Internet is set up by using cables such as optical fibers and other wireless and networking technologies
  • Internet is the fastest mean of sending or exchanging information and data between computers across the world
  • Internet was first connected
    1969
  • Why internet is called a network

    It creates a network by connecting computers and servers across the world using routers, switches and telephone lines, and other communication devices and channels
  • Difference between internet and World Wide Web
    Internet is the backbone of the web as it provides the technical infrastructure to establish the WWW and acts as a medium to transmit information from one computer to another computer. World Wide Web is a network of computers and servers created by connecting them through the internet
  • Internet is not owned by a single person or organization entirely
  • As of 12 August 2016, there were more than 300 crores of internet users across the world
  • Client

    A device such as a laptop, which is connected to the internet indirectly through an Internet Service Provider (ISP) and is identified by an IP address
  • Server

    A large computer that stores websites and has an IP address. A place where a large number of servers are stored is called a data center
  • Domain name

    Represents an IP address number, i.e., each IP address has been assigned a domain name
  • DNS (Domain Name Server)
    A huge phone book that the internet uses to find the IP address of a domain name
  • How internet works

    1. Browser sends request to DNS server to get IP address
    2. Browser forwards request to respective server
    3. Data flows from server to client through optical fiber cables and routers
  • Internet is managed by ICANN (Internet Corporation for Assigned Names and Numbers) located in the USA
  • Data transfer is very fast on the internet because data is sent in binary form (0, 1) and divided into small pieces called packets
  • Advantages of the Internet
    • Instant Messaging
    • Get directions
    • Online Shopping
    • Pay Bills
    • Online Banking
    • Online Selling
    • Work from Home
    • Entertainment
    • Cloud computing
    • Career building
  • HTML

    HyperText Markup Language used for creating web pages and web applications
  • HTML is a markup language rather than a programming language
  • Hypertext

    Text within text, a link within a text that brings you to a new webpage
  • Markup language

    A computer language used to apply layout and formatting conventions to a text document
  • Web page

    A document commonly written in HTML and translated by a web browser
  • Description of HTML example

    • <!DOCTYPE>: Defines the document type
    • <html>: Informs the browser it is an HTML document
    • <head>: Contains metadata about the document
    • <title>: Adds title of the HTML page
    • <body>: Contains the main content of the HTML document
    • <h1>: First level heading
    • <p>: Paragraph
  • Features of HTML

    • Easy and simple language
    • Effective presentation with formatting tags
    • Flexible way to design web pages
    • Adds links to web pages
    • Platform-independent
    • Adds graphics, videos, and sound
    • Case-insensitive
  • HTML text editors

    Programs that allow editing of written text to create web pages, e.g. Notepad, TextEdit, Notepad++, Sublime Text, Vim
  • Building blocks of HTML
    • Tags
    • Attributes
    • Elements
  • An HTML file is a text file
  • HTML tags are keywords which define how web browser will format and display the content
  • HTML tags contain three main parts: opening tag, content and closing tag. Some HTML tags are unclosed tags
  • Web browser reads an HTML document from top to bottom and left to right
  • HTML tags are used to create HTML documents and render their properties
  • HTML file

    An individual component of an HTML file
  • HTML file structure

    • <!DOCTYPE html>
    • <html>
    • <head>
    • <title>The basic building blocks of HTML</title>
    • </head>
    • <body>
    • <h2>The building blocks</h2>
    • <p>This is a paragraph tag</p>
    • <p style="color: red">The style is attribute of paragraph tag</p>
    • <span>The element contains tag, attribute and content</span>
    • </body>
    • </html>
  • HTML tags

    Keywords which define how web browser will format and display the content
  • HTML tags

    • They contain three main parts: opening tag, content and closing tag
    • Some HTML tags are unclosed tags
  • When a web browser reads an HTML document, browser reads it from top to bottom and left to right
  • Each HTML tag has different properties
  • An HTML file must have some essential tags so that web browser can differentiate between a simple text and HTML text
  • All HTML tags must be enclosed within < > these brackets