Hw 7(21)

Answer any TEN of the following questions.

1. ist the functions of a video switcher.

2. Name different types of video switchers.

3. Describe the pros and cons of manual switcher.

4. Compare between homing sequential and bridging sequential switchers.

5. How does a looping sequential switcher work?

6. How can you incorporate alarm feature in the switcher technology?

7. Compare between synchronized and non-synchronized video signals.

8. Discuss the issues of video synchronization in case switcher operation.

9. Compare betwen active and passive switchers.

10. Describe the principle of operation of matrix switcher.

11. Explain the role of microrpocessor in matrix switcher.

12. List the advantages of matrix switchers.

13. Describe the principle of virtual matrix switcher.

14. Describe the concept of salvo switcher

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