Basic Principles of Television Engineering » Exercise – 1
1. Horizontal scanning frequency, according to CCIR standards is :
(a) 15750 Hz
(b) 15625 Hz
(c) 60 Hz
(d) 15725 Hz
2. Trace period of a horizontal line is :
(a) 18720 μs
(b) 1280 μs
(c) 20 ms
(d) None of the above
3. According to CCIR standards the field sync occurs after lines :
(a) 3121/2 and 625
(b) 262.5 and 625
(c) 310 and 662.5
(d) None of above
4. The interlaced scanning, there is one half line spacing between the start positions scanning odd and even fields. This is done to produce :
(a) Horizontal scanning
(b) Linear scanning
(c) exact interlacing
(d) line paring
5. The term pedestal is used for :
(a) Sync top level
(b) Blanking level
(c) Black level
(d) White level
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