6. In India, horizontal blanking pulse is :
(a) 12 μs
(b) 4.3 μsec
(c) 1280 μs
(d) 1870 μs
7. Each sequence of scanning in the interlaced scanning method is known as :
(a) Field
(b) Scanning lines
(c) Trace path
(d) Retrace path
8. Trace period of a horizontal line is :
(a) 64 μs
(b) 12 μs
(c) 52 μs
(d) 1280 μs
9. The value of Kell factor is about ……..
(a) 0.5
(b) 0.3
(c) 0.7
(d) 0.9
10. Video signals below 10% of the carrier are known as :
(a) Pedestal height
(b) Blacker then black
(c) White then white
(d) Blacker than black
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