Lesson 1 Worksheet (77 Points)
Chapter 1
1. What is the essential difference between interactive and non-interactive multimedia?
Give an example of each type. (6 points)

Chapter 2
2. What is a symbol? Why is a bit considered a symbol? (4 points)

3. What is the difference between data and information? (6 points)

4. Why is file compatibility important for multimedia development? ( 6 points)

5. What is a “native file format”? Give an example of such a format. (5 points)

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6. Why shouldn’t you change a file named zipIt.exe to zipIt.jpg? ( 4 points)

7. What are the three main considerations for file maintenance? (3 points)

8. What is sampling? (4 points)

9. What is sample resolution? ( 4 points)

10. What is quantization? ( 5 points)

11. What is sample rate? ( 4 points)

12. Why is sample rate often referred to as spatial resolution? ( 5 points)

13. What is a codec? (4 points)

14. Below are 4 questions choose 1 and provide a detailed answer (use more than 3 sentences)  (12 points)

What is an efficient code? Why would a multimedia developer be concerned about using
efficient codes?

Explain the distinction between “description-based” and “command-based” forms of
encoding digital media. Give an advantage and disadvantage of each form of encoding.

What are the two major types of compression? Identify and explain which type is best for
compressing an encyclopedia. Identify and explain which type is best for compressing a
digital photo of the ocean.

Identify and briefly describe two advantages and two challenges in the use of digital
information.

Chapter 3

15. What is the purpose of authoring software? ( 5 points)