Podcast
Questions and Answers
What does the internet primarily serve as?
What does the internet primarily serve as?
- A secondary resource for entertainment
- The largest computer network connecting various devices (correct)
- A tool for offline document storage
- A platform only for socializing
Which of the following is NOT a stated use of the internet?
Which of the following is NOT a stated use of the internet?
- Shopping
- Engaging in professional discourse
- Checking on weather forecasts
- Searching for offline libraries (correct)
How has the commercial use of the internet been characterized?
How has the commercial use of the internet been characterized?
- As a primary source of online gaming
- As stable over the years
- As one of its fastest-growing uses (correct)
- As a declining trend
What is one main reason for the internet's growth?
What is one main reason for the internet's growth?
Which organization is mentioned as overseeing web standards?
Which organization is mentioned as overseeing web standards?
What is a primary benefit of appropriate internet usage?
What is a primary benefit of appropriate internet usage?
Which factor contributed to the dramatic increase in internet size?
Which factor contributed to the dramatic increase in internet size?
What is a key requirement for conducting business on the internet today?
What is a key requirement for conducting business on the internet today?
What is the main function of the World Wide Web?
What is the main function of the World Wide Web?
Which of the following describes the internet?
Which of the following describes the internet?
What is Bandwidth in the context of communication channels?
What is Bandwidth in the context of communication channels?
Which of the following is NOT typically considered part of the core components of the internet?
Which of the following is NOT typically considered part of the core components of the internet?
Who controls the standards and specifications for the internet?
Who controls the standards and specifications for the internet?
What is the primary role of servers in the internet?
What is the primary role of servers in the internet?
Which of the following best defines how the internet is designed?
Which of the following best defines how the internet is designed?
Which communication method is NOT part of the internet's communication channels?
Which communication method is NOT part of the internet's communication channels?
What was a primary motivation for introducing Web standards?
What was a primary motivation for introducing Web standards?
How have Web standards simplified source code development?
How have Web standards simplified source code development?
What risk was associated with a lack of Web standards?
What risk was associated with a lack of Web standards?
What impact do Web standards have on assistive technologies?
What impact do Web standards have on assistive technologies?
What consequence did the diversity of browser approaches have before Web standards were established?
What consequence did the diversity of browser approaches have before Web standards were established?
What aspect of website development was improved by the introduction of Web standards?
What aspect of website development was improved by the introduction of Web standards?
What does the term 'cross-compatibility' refer to in web development?
What does the term 'cross-compatibility' refer to in web development?
Which of the following statements is most accurate about the role of Web standards?
Which of the following statements is most accurate about the role of Web standards?
What is the role of W3C working groups in the development of web standards?
What is the role of W3C working groups in the development of web standards?
Which statement accurately reflects the relationship between W3C and WHATWG?
Which statement accurately reflects the relationship between W3C and WHATWG?
What is required for an organization to join a W3C working group?
What is required for an organization to join a W3C working group?
What happens when a web standard reaches the 'W3C Recommendation' phase?
What happens when a web standard reaches the 'W3C Recommendation' phase?
Which of the following describes the role of the W3C Advisory Board?
Which of the following describes the role of the W3C Advisory Board?
What is a significant reason working groups have more stringent joining processes?
What is a significant reason working groups have more stringent joining processes?
Which of the following accurately represents the participation of non-member individuals in W3C working groups?
Which of the following accurately represents the participation of non-member individuals in W3C working groups?
What resource can developers rely on to get accurate information about web technologies for specific browsers?
What resource can developers rely on to get accurate information about web technologies for specific browsers?
What must you use to access the Internet?
What must you use to access the Internet?
What language is used to create a Web page?
What language is used to create a Web page?
Which option is necessary to access your friend's website easily?
Which option is necessary to access your friend's website easily?
Which protocol does a web browser use to display Web pages?
Which protocol does a web browser use to display Web pages?
Which of the following is a valid URL?
Which of the following is a valid URL?
Which description does NOT apply to the Internet?
Which description does NOT apply to the Internet?
Which of the following is NOT a characteristic of a search engine?
Which of the following is NOT a characteristic of a search engine?
Which of the following best defines a search engine?
Which of the following best defines a search engine?
Which statement about using web sources in research is TRUE?
Which statement about using web sources in research is TRUE?
What function does Google Chrome primarily serve?
What function does Google Chrome primarily serve?
Which term is often confused with search engines but refers to the broader network of information?
Which term is often confused with search engines but refers to the broader network of information?
Flashcards
What is the internet?
What is the internet?
The internet is a global network connecting billions of computers and devices.
Internet's role in daily life
Internet's role in daily life
The internet provides access to information, communication, and various services like shopping and checking the weather.
Internet growth factors
Internet growth factors
Factors like faster internet speeds, less strict regulations, and cheaper connections contributed to the growth of the internet.
Internet use cases
Internet use cases
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Web Standards
Web Standards
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World Wide Web Consortium (W3C)
World Wide Web Consortium (W3C)
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Web-based application
Web-based application
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Role of internet in business
Role of internet in business
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Internet
Internet
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World Wide Web (WWW)
World Wide Web (WWW)
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Computer/Host Devices
Computer/Host Devices
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Servers
Servers
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Routers and Switches
Routers and Switches
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Communication Channels
Communication Channels
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Bandwidth
Bandwidth
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Decentralized Design
Decentralized Design
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Cross-compatibility
Cross-compatibility
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Web's Openness
Web's Openness
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Monopolization
Monopolization
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Source code
Source code
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Development Time (Web)
Development Time (Web)
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Assistive technology
Assistive technology
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Website maintenance
Website maintenance
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World Wide Web
World Wide Web
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Search Engine
Search Engine
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What are web standards?
What are web standards?
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Why are web standards important?
Why are web standards important?
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What is W3C?
What is W3C?
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What tool lets you browse the web?
What tool lets you browse the web?
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What is the main language for web pages?
What is the main language for web pages?
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What is a domain name?
What is a domain name?
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How do web browsers display pages?
How do web browsers display pages?
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What is a valid URL?
What is a valid URL?
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What are the key characteristics of the internet?
What are the key characteristics of the internet?
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When citing sources, what rule applies to web sources?
When citing sources, what rule applies to web sources?
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Can you freely copy web content?
Can you freely copy web content?
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W3C Recommendation
W3C Recommendation
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W3C Working Groups
W3C Working Groups
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W3C Patent Policy
W3C Patent Policy
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WHATWG
WHATWG
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What are the main differences between W3C and WHATWG?
What are the main differences between W3C and WHATWG?
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Pre-Standard
Pre-Standard
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What does it mean for a technology to be “shipping in browsers?”
What does it mean for a technology to be “shipping in browsers?”
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Study Notes
Basic Concepts of the Internet and the World Wide Web
- The internet is a vast computer network connecting billions of devices globally, making everyday tasks easier. Appropriate usage relies on individual needs and goals.
- Objectives include understanding internet and World Wide Web concepts, history, standards bodies (like W3C), and web application development.
What is the Internet?
- The internet is a network of networks, decentralized in design.
- Key components include computers/hosts (devices accessing information), servers (specialized hardware handling requests), routers/switches (routing internet traffic), and communication channels (phone lines, cable, satellite, wireless).
- Bandwidth refers to data transmission capacity, usually measured in bits per second (bps).
- Transmission Control Protocol/Internet Protocol (TCP/IP) is crucial for formatting, ordering, and error-checking data transmission across networks.
Internet Addresses and the Web
- Every device connected to the internet has a unique IP address (e.g., 192.168.4.2).
- Domain Name System (DNS) translates IP addresses into human-readable domain names (e.g., www.google.com).
Client-Server Architecture
- The internet follows a client-server model.
- Clients request information, servers respond with the requested data.
- Web browsers (e.g., Firefox, Chrome) are client software, while web servers handle client requests.
- Electronic mail also follows client-server model, using client software such as Gmail or Thunderbird and server software (mail server).
Packet Switching
- Packet switching is the fundamental data transfer method on the internet.
- Data is broken down into packets with source and destination addresses.
- Packets may travel different routes to reach the destination, and are reassembled afterward.
History of the Internet and the World Wide Web
- In 1945, Vannevar Bush discussed Memex, envisioning a system for organizing and accessing information.
- Ted Nelson conceptualized hypertext and Xanadu which were important ideas for the World Wide Web.
- The Advanced Research Projects Agency (ARPA) initiated the ARPANET in 1969 during the Cold War.
- The development of TCP/IP, DNS, emails (SMTP), and FTP is credited to ARPANET.
- Tim Berners-Lee created the World Wide Web (WWW) in 1990 to facilitate information sharing among researchers.
Explosive Growth of the Internet
- Internet penetration has rapidly increased due to factors such as improved bandwidth, reduced government regulations, and cost-effective connection options.
The World Wide Web (WWW)
- The World Wide Web is a system of hypertext-based documents accessible via the internet.
- Hypertext Markup Language (HTML) defines content structure (e.g., headings, paragraphs).
- Hypertext Transfer Protocol (HTTP) is the protocol behind website communication.
- Mosaic was one of the first web browsers.
Anatomy of a Website
- Uniform Resource Locator (URL) identifies specific web pages (e.g., www.example.com/page.html).
- Every webpage has a server and a path.
- Web servers host web pages and related files.
Web Standards and Bodies
- Web standards create essential guidelines for building accessible and compatible web pages.
- Important organizations that create and maintain standards include: IETF, W3C, WHATWG, and ECMA TC39.
- Standards contribute to compatibility, accessibility, and maintainability.
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