Topic 4b
The Internet and the WWW
Prior to Class
By the end of this topic students should be able to:
- Explain the difference between "the Internet" and "the World Wide Web."
- Explain the difference between the internet and an intranet.
- Define and explain a/an [ISP | tier-1 ISP | tier-2 ISP].
- Given a URL, identify the [directory path| domain name (host)| document name | protocol | top-level domain ]
- Identify and explain at least three internet applications.
- Explain the role of Domain Name Server (DNS).
- Identify and explain at least three internet servers.
Assigned Materials
- Readings
- Section 4.2-4.3(small part)- pp 194-208 in your book
- Videos
- Dr. Diesburg explains the elements of a URL
- Dr. Diesburg explains internet applications
In class
Discussion
Let's walk through this idea for a bit.
Checking for Understanding
Answer the following questions from your textbook. The answers to all Q&E questions are in the back of your book in Appendix F.
- p 206, #1
- p 206, #2
- p 206, #4
- p 206, #5
- p 206, #6
- p 215, #1
Extra Help
The answers to the CFU questions above are provided in the back of the book. The following videos explain how we would arrive at some of those answers.Further Information
If you understand this material and are using this in your own courses, you might find the following material beneficial. This material is a supplement to this course and your understanding of this is not assessed.- Videos
- Crash Course CS: The Internet
- Crash Course CS: The World Wide Web