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# Questions 1. For a one-minute QuickTime video file with a file size of 100MB, its playback on a 48x CD-ROM drive very likely will be _______. (Hint:...

Questions

1. For a one-minute QuickTime video file with a file size of 100MB, its playback on a 48x CD-ROM drive very likely will be _______. (Hint: The data rate for a 48x CD-ROM drive is about 7MB/s)
a. smooth
b. choppy

2. For a five-second QuickTime video file with a file size of 100MB, its playback on a 48x CD-ROM drive very likely will be _______. (Hint: The data rate for a 48x CD-ROM drive is about 7MB/s)
a. smooth
b. choppy

3. What is the maximum file size for a 30-second QuickTime movie to have a smooth playback on a 48x CD-ROM drive? Show your calculations. (Hint: The data rate for a 48x CD-ROM drive is about 7MB/s)

4. If the file size of a QuickTime movie takes up an entire CD, estimate the minimum length of the movie to have a smooth playback ona 48x CD-ROM drive. Show your calculations. (Hint: The data rate for a 48x CD-ROM drive is about 7MB/s)

5. What is Multimedia System? Explain all desirable features of a good multimedia system.

6. What does the term codec stand for?

7. Explain the importance and role of animation in making a multimedia application.

8. How does the virtual reality work? Explain all desirable features of a good multimedia system.

9. Explain the different modes of presenting graphics.

10. After the entire video has been played once in a Web browser, it can be replayed without having to wait for download again." Which of the following modes of video delivery match(es) this description?
I. True streaming

a. I only
b. II only
c. I and II
d. None of the above

Outcome
Fill in the tutorial summary sheet as best you can.

Reflection
It used to be that photographs were put into old boxes and never organised into photo albums. Now photographs are put onto hard discs and never organised into slideshows. Nothing has changed, only the technology we use to waste our time and resources." Do you agree with this statement? How might there be a technological solution to this problem? (Hint: what is your screensaver?).

Questions 1. For a one-minute QuickTime video file with a file size of 100MB, its playback on a 48x CD-ROM drive very likely will be _______. (Hint: The data rate for a 48x CD-ROM drive is about 7MB/s) a. smooth b. choppy 2. For a five-second QuickTime video file with a file size of 100MB, its playback on a 48x CD-ROM drive very likely will be _______. (Hint: The data rate for a 48x CD-ROM drive is about 7MB/s) a. smooth b. choppy 3. What is the maximum file size for a 30-second QuickTime movie to have a smooth playback on a 48x CD-ROM drive? Show your calculations. (Hint: The data rate for a 48x CD-ROM drive is about 7MB/s) 4. If the file size of a QuickTime movie takes up an entire CD, estimate the minimum length of the movie to have a smooth playback ona 48x CD-ROM drive. Show your calculations. (Hint: The data rate for a 48x CD-ROM drive is about 7MB/s) 5. What is Multimedia System? Explain all desirable features of a good multimedia system. 6. What does the term codec stand for? 7. Explain the importance and role of animation in making a multimedia application. 8. How does the virtual reality work? Explain all desirable features of a good multimedia system. 9. Explain the different modes of presenting graphics. 10. After the entire video has been played once in a Web browser, it can be replayed without having to wait for download again." Which of the following modes of video delivery match(es) this description? I. True streaming II. Progressive download or pseudo-streaming a. I only b. II only c. I and II d. None of the above Outcome Fill in the tutorial summary sheet as best you can. Reflection
It used to be that photographs were put into old boxes and never organised into photo albums. Now photographs are put onto hard discs and never organised into slideshows. Nothing has changed, only the technology we use to waste our time and resources." Do you agree with this statement? How might there be a technological solution to this problem? (Hint: what is your screensaver?).

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