MCQOPTIONS
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MCQOPTIONS
| 1. |
The characteristics of H and V sync pulses in a colour TV receiver are1. H sync, pulses are narrow and have frequency of 15625 Hz2. V sync, pulses are much wider and have frequency of 50 Hz3. H and V pulses have almost the same size but frequencies of 15625 and 50 Hz respectively4. V sync, pulses are very narrow but H sync, pulses are wide and their frequencies are 15625 Hz and 50 Hz respectively Which of the above are correct? |
| A. | 1 and 2 only |
| B. | 1 only |
| C. | 3 only |
| D. | 4 only |
| Answer» B. 1 only | |