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Questions and Answers
What is the primary function of a web browser?
What is the primary function of a web browser?
Which of the following is NOT a criterion for evaluating a website's content?
Which of the following is NOT a criterion for evaluating a website's content?
What does a search engine primarily do?
What does a search engine primarily do?
What is a URL?
What is a URL?
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Which mobile technology represents the most advanced generation as mentioned in the content?
Which mobile technology represents the most advanced generation as mentioned in the content?
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What is the primary purpose of a Plug-In in a web browser?
What is the primary purpose of a Plug-In in a web browser?
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Which of the following is NOT considered a type of multimedia?
Which of the following is NOT considered a type of multimedia?
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What is the primary function of a thumbnail in graphic representation?
What is the primary function of a thumbnail in graphic representation?
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What describes Virtual Reality (VR)?
What describes Virtual Reality (VR)?
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What does an Email program typically allow a user to do?
What does an Email program typically allow a user to do?
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What process involves transferring data in a continuous and even flow?
What process involves transferring data in a continuous and even flow?
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Which file format is NOT commonly associated with graphics?
Which file format is NOT commonly associated with graphics?
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What does subscribing to a mailing list do?
What does subscribing to a mailing list do?
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What was the primary purpose of ARPANET when it was developed?
What was the primary purpose of ARPANET when it was developed?
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Which protocol suite was first implemented by ARPANET?
Which protocol suite was first implemented by ARPANET?
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In what year did NSF connect its network to ARPANET?
In what year did NSF connect its network to ARPANET?
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What significant change occurred to the Internet in 1990?
What significant change occurred to the Internet in 1990?
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Which of the following best describes the evolution of Internet costs from the 90s to the 20s century?
Which of the following best describes the evolution of Internet costs from the 90s to the 20s century?
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What type of network was ARPANET originally developed as?
What type of network was ARPANET originally developed as?
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What was a major feature of the Internet since its inception?
What was a major feature of the Internet since its inception?
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What term describes the different connections such as broadband and dial-up?
What term describes the different connections such as broadband and dial-up?
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Study Notes
Chapter 3: The Internet and the World Wide Web
- The Internet is a global network connecting billions of computers and electronic devices.
- The Internet allows users to access information, communicate globally, and perform various online activities.
- Accessing the Internet is also called going online.
- The Internet's evolution is discussed, including various broadband internet connections and their differences from dial-up.
- The different types of internet access providers are also discussed.
- The purpose of IP addresses is included.
- Web browsers and their components, and how to use search engines, are explained.
- Distinctions between search engines and subject directories are described.
- Types of websites and their use of graphics, animation, audio, video, and virtual reality are reviewed.
- Web publishing steps, email, mailing lists, instant messaging, chat rooms, and FTP functionality are covered.
- ARPANET, the precursor to the Internet, is described as the world's first operational network established in 1967.
- It was created by the US Department of Defense (DOD) to withstand nuclear attack.
- The ARPANET used TCP/IP as its protocol.
- The DOD separated the network into HOSTS and Subnets.
- The Internet's origin in 1969 was driven by the desire to allow different locations to share information and facilitate disaster recovery of the network.
- The National Science Foundation (NSF) developed higher-bandwidth networks in 1980.
- In 1986, the NSF network was integrated with the ARPANET.
- Over time, private networks merged with the NSF network to create the modern Internet.
- Internet costs and speeds have changed significantly over time.
- For example, in the 1990s, internet costs were higher, and bandwidth was limited.
The World Wide Web
- A Web browser is a program that allows users to view web pages and Web 2.0 programs.
- Popular browsers include Chrome, Safari, UC Browser, Firefox, and Internet Explorer (IE).
- The first page of a website is the home page.
- Web pages link to related pages.
- A web page has a unique address (URL or Web address).
- URLs have components like protocol, domain name, path, and webpage name.
- Search tools include search engines and subject directories.
- Search engines find information related to specific topics.
- Subject directories classify web pages into categories.
- Examples of items a search engine can locate are images, videos, audio, news, maps, and information on people or businesses.
Evaluating Web Sites
- Information on websites must be evaluated for accuracy, credibility, and content quality.
- Site affiliation, the level of audience, and author credentials contribute to evaluating a website's authority.
- Content should be well-organized, links functional, and information current.
- Website design should be intuitive, visually appealing, and fast to load.
- Websites should be unbiased about the information presented and contain little advertising.
Multimedia
- Multimedia combines text with other elements like graphics, animation, audio, video, and virtual reality.
Graphics
- Graphics are digital representations of non-text info,
- Popular formats include BMP, GIF, JPEG, PNG, and TIFF.
Thumbnails
- Thumbnails are small versions of larger images or graphics; used to represent a larger graphic.
Animation
- Animation presents the appearance of movement by displaying a series of still images sequentially.
Audio
- Audio encompasses all sounds like music and speech.
- It is often compressed to reduce file size.
- Streaming delivers audio in a continuous flow.
Video
- Video comprises full-motion images played back at various speeds.
Virtual Reality
- Virtual reality (VR) uses computers to create simulated environments that appear three-dimensional.
Plug-ins
- Plug-ins expand the capabilities of Web browsers by adding functionality.
Web Publishing
- Web publishing involves creating, maintaining, and updating web pages.
- It encompasses planning, analyzing and designing, creating, deploying, and maintaining a website.
Other Internet Services
- Email transmits messages and files via a computer network.
- Email programs allow users to create, send, receive, forward, store, print, and delete emails.
- Mailing lists are groups of email addresses.
- Subscribing adds an email address to a mailing list; unsubscribing removes it.
- FTP is a file transfer protocol for uploading and downloading files.
- FTP servers are computers that facilitate file transfers.
- Social media is an internet-based communication platform for conversations, information sharing, and web content creation.
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Description
This quiz covers Chapter 3 of the Internet and the World Wide Web, focusing on the evolution of the Internet, types of internet connections, and web browsers. Learn about IP addresses, search engines, and various online activities including web publishing and communication methods. Test your knowledge on essential internet concepts and functionalities.
