Part 2 (computers)

Watch

• How Computers Work (27min of short videos in a playlist)

• How the Internet Works (40min worth of videos)

  • optional resource = An Introduction to Computer Networks (textbook)

Assignment:

Each person in the class will be assigned a number below to research and teach the term or question to the class during using Google Slides thoroughly explaining the concept:

1. • What makes a computer a computer?

   • What are sensors?

   • What is a computer "bus" ... what does an audio bus do?

2. • Define binary (use the following terms in your definition: machine language, high-level, low-level).

   • What type of file or media would most likely take up 196 B (bytes)? 182 KB (kilobytes)? 4 MB (megabytes)? 65 MB? 3 GB (gigabytes)?

3. • What is a transistor, what did it replace, and why is it the most important invention of the 20th Century?

4. • Define CPU, describe what it does, and discuss hardware solutions for cooling them?

   • What is a multicore processor? How many cycles (steps of instructions) per second can a quad core 2.4 GHz processor perform?

5. • Define memory (RAM), explain its function, and an example of how it is practically used every day.

   • Define and discuss storage (SSD, HDD, etc.)

   • Discuss how memory differs from storage.

6. • Define GPU and describe what it does.

   • What is VRAM?

   • What are pixels?

7. • Define Operating System (or System Software) and list the three that are most common.

8. • When working in an application, when do you save your work?

   • Describe the difference between “open” and “proprietary” file formats and how that plays into “digital obsolescence”.

9. • In what type of format is everything encoded to transfer data between connections of the internet? How does the information physically travel down a copper wire (Ethernet)? How do bits physically travel down a “glass wire”(fiber optic)?

10. • Define packets [of information]. Discuss the importance of TCP.

    • Define bandwidth. How is the size of bandwidth described?

11. • What are modems and routers?

    • What is an Internet Service Provider (ISP)?

12. • Describe what the following are and how they are difference: HTML, CSS, and Javascript.