Web Technology and Multimedia

• What does WWW stand for?

  World Wide Web
• What is a URL?

  Uniform Resource Locator
• What does HTTP stand for?

  Hypertext Transfer Protocol
• What does an IP address do?

  Identifies a computer on the internet
• What is the function of a web browser?

  Requests and displays web pages
• What is a website?

  A collection of related web pages
• What is web hosting?

  Service that makes websites accessible
• What does FTP stand for?

  File Transfer Protocol
• What is the role of an ISP?

  Provides internet access to users
• What is a search engine?

  Application that indexes web pages
• What is a cache in web browsers?

  Store of recently accessed web pages
• What are cookies?

  Small files storing user preferences
• What is a portal?

  Main entry point for web services
• What is a web page?

  A document accessed in a browser
• What is the purpose of HTML?

  To create webpages and web applications
• What is the function of HTML tags?

  Define structure and display of content
• What is CSS used for in web development?

  To style and layout web pages
• What is the difference between client-side and server-side processing?

  Client-side is processed on the user's device
• What is encryption in internet security?

  Converts data into a secure format
• What is HTTPS?

  Secure version of HTTP
• What is SSL?

  Secure Sockets Layer for encryption
• What is a digital signature?

  Electronic verification of authenticity
• What is a digital certificate?

  Electronic document proving identity
• How are domain names organized?

  • Hierarchical structure
  • Divided into levels (e.g., .com, .org)
  • Managed by domain registrars
• What is the role of ITU and W3C?

  • ITU: Regulates telecommunications standards
  • W3C: Develops web standards and protocols
• What are the advantages of using an Intranet?

  • Enhanced internal communication
  • Improved data sharing and collaboration
  • Increased security for sensitive information
• What are the main components of a URL?

  • Protocol (e.g., http)
  • Domain name (e.g., CCEA.org.uk)
  • Filename (e.g., DigitalTechnology.html)
• What is the purpose of a web server?

  • Delivers web pages to users
  • Processes requests for information
  • Stores copies of web pages for faster access
• What features do web browsers provide?

  • Navigation tools
  • Bookmarking capabilities
  • History tracking
• What is the function of a search engine?

  • Indexes web pages
  • Generates search results
  • Ranks pages based on relevance
• What is the purpose of caching in web browsers?

  • Stores recently accessed pages
  • Reduces loading time for revisits
  • Improves browsing efficiency
• What are the implications of using cookies?

  • Stores user preferences
  • Tracks user behavior
  • Can be blocked by users
• What services do web hosting companies provide?

  • Space on a server for websites
  • Internet connectivity
  • Data center services
• What is the significance of HTML in web development?

  • Defines webpage structure
  • Uses tags for content display
  • Essential for browser rendering
• What are the common HTML tags?

  • Paragraph
  • Image
  • Anchor
  • Ordered list
  • Unordered list
  • Hyperlinks
• How does CSS enhance web development?

  • Styles web pages
  • Controls layout and design
  • Separates content from presentation
• What is the difference between client-side and server-side processing?

  • Client-side: processed on user's device
  • Server-side: processed on the server
• What methods ensure internet security?

  • Encryption (public/private keys)
  • HTTPS
  • SSL
  • Digital signatures/certificates
• What is the significance of a digital certificate?

  • Proves identity online
  • Ensures secure communications
  • Validates ownership of a public key
• What is the role of the domain name server?

  • Converts domain names to IP addresses
  • Facilitates internet navigation
  • Ensures correct website access