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Questions and Answers
What is the purpose of an IP address?
What is the purpose of an IP address?
To uniquely identify each computer or device connected to the Internet.
What was ARPANET, and when did it originate?
What was ARPANET, and when did it originate?
ARPANET was the first version of the Internet, and it originated in September 1969.
Which of the following are wired connections to the Internet? (Select all that apply)
Which of the following are wired connections to the Internet? (Select all that apply)
What is a hot spot in the context of the Internet?
What is a hot spot in the context of the Internet?
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A __________ server translates domain names into IP addresses.
A __________ server translates domain names into IP addresses.
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Which type of Internet connection uses fiber optics?
Which type of Internet connection uses fiber optics?
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An Internet Service Provider (ISP) can provide access to the Internet for free.
An Internet Service Provider (ISP) can provide access to the Internet for free.
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What do the terms Megabyte (MB) and Gigabyte (GB) represent?
What do the terms Megabyte (MB) and Gigabyte (GB) represent?
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What does the World Wide Web consist of?
What does the World Wide Web consist of?
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Study Notes
Connecting to the Internet
- The Internet connects millions of businesses, government agencies, educational institutions, and individuals.
- The Internet was originally known as ARPANET in 1969.
- ARPANET was designed to allow scientists in different locations to share information and ensure that the network could still function even if part of it was destroyed.
- The Internet has grown to allow millions of hosts to connect.
- An Internet connection can be either wired or wireless.
- Wired connections use a cable or wire physically connecting a computer or device to a communication device.
- Wireless connections use a modem or other communication device.
- Wired connections use a cable or wire to physically connect a computer or device to a communications device.
- Wireless connections use a wireless modem or other communication device.
- Common wired connections include cable Internet service, DSL, and fiber to the premises (FTTP).
- Common wireless connections include Wi-Fi, mobile broadband, fixed wireless, and satellite Internet service.
- A hot spot is a wireless network providing Internet access to mobile computers and devices.
- An Internet service provider (ISP) provides individuals and organizations with access to the Internet for a fee.
- Bandwidth represents the amount of data moving over a network.
- Bandwidth is measured in MB (Megabytes) or GB (Gigabytes).
- An IP address is a unique sequence of numbers identifying each computer or device connected to the Internet.
- A domain name is a text-based name that corresponds to the IP address.
- A DNS server translates domain names into their associated IP addresses.
The World Wide Web
- The World Wide Web, or web, consists of a worldwide collection of electronic documents (webpages).
- A website is a collection of related webpages and associated items.
- A web server stores and delivers webpages to computers and other devices on the Internet.
- A web browser is a software program that allows you to view webpages.
- A web address identifies a specific webpage.
- A web address has two parts:
- Protocol: This specifies the standard used to transfer information. The most common protocol is HTTP, which stands for Hypertext Transfer Protocol.
- Domain name: This identifies the specific computer where the webpage is stored. The domain name is followed by a top-level domain, which indicates the type of organization or the geographic location of the website.
- A search engine helps users find webpages, images, videos, audio files, and other types of content.
- Popular search engines include Google, Bing, and Yahoo.
- Search text is a series of keywords that users enter into a search engine to find information.
- Search engines use algorithms to process search text and display results in order of relevance.
- Search engine operators provide instructions to narrow down the results of a search.
- Some common search operators include keywords like AND, OR, NOT, and site:
- AND: Finds webpages containing both keywords.
- OR: Finds webpages containing either keyword.
- NOT: Excludes webpages containing a specific keyword.
- site: Searches for specific websites.
- Other features useful for web browsing include:
- Bookmarking allows users to save webpages for easy access later.
- History keeps a list of websites a user has recently visited.
- Email, a feature to send and receive electronic messages, is used within many web browsers.
- The web uses graphics, animation, audio, video, and virtual reality to enhance user experience.
- Graphics use images to represent information.
- Animation creates the illusion of movement through a series of images that change over time.
- Audio uses sound files to enhance content.
- Video plays moving images and sound.
- Virtual reality uses technology to create immersive, interactive experiences.
Benefits and Risks of Social Media
- Benefits of social media:
- Connect with friends and family.
- Stay informed about current events and trends.
- Express opinions and share ideas.
- Participate in online communities.
- Promote businesses and organizations.
- Learn new skills and interests.
- Risks of social media:
- Cyberbullying and harassment.
- Privacy concerns.
- Addiction.
- Spreading misinformation.
- Security breaches.
Netiquette
- Follow these rules of online etiquette:
- Be respectful. Avoid using offensive language.
- Be considerate. Avoid sending spam or excessive messages.
- Be honest. Avoid misrepresenting yourself or your affiliations.
- Be responsible. Think before you post or share anything online.
- Be mindful of copyright. Avoid using copyrighted material without permission.
- Be safe. Avoid sharing personal information online.
Using Email, Email Lists, Instant Messaging, Chat Rooms, and VoIP
- Email is used to send and receive electronic messages.
- Email lists are groups of people who receive the same email messages.
- Instant messaging allows two or more people to chat in real time.
- Chat rooms are online communities that allow people to interact with each other.
- VoIP (Voice over Internet Protocol) uses the Internet to make phone calls.
- FTP (File Transfer Protocol) is used to transfer files between computers.
- Email lists allow groups of people to be notified of new announcements, activities, and to share information.
- Instant messaging and chat rooms are generally used to have conversations with friends and family, or to collaborate on projects.
- VoIP is typically used to contact those close by or overseas when rates are more effective than traditional phone calls.
- FTP is used to transfer files between computers and is often used to upload files to a web server, or to download files from an FTP server.
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Description
Explore the evolution and functionality of the Internet from its origins as ARPANET to modern connectivity options. Learn about the differences between wired and wireless connections and how they enable communication for individuals and organizations. This quiz covers key concepts and technologies related to Internet connectivity.
