Consumer Electronics

Descriptive Questions

1. Compare a video disc with a gramophone record.
2. What are the similarities between the three video disc formats?
3. Briefly explain the different optical recording mediums.
4. With the help of a suitable sketch explain the construction of a video disc along with the dimensions of
   • diameter
   • track pitch
   • pit width
   • pit depth
   • thickness
   • protection layer
5. Briefly explain the recording and playback system of an optical video disc.
6. Describe the digital address signals.
7. Explain the working of a TS laser.
8. What is the significance of radial tracking?
9. What are the different controls on a VLP player?
10. What is the difference between a video disc and an optical memory disc?
11. How data is recorded on a floppy disc?
12. Explain the following :
    • serial ...