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An odd number of lines are used in interlaced scanning because, in each field of the TV, the scanning displaces the field by a half of the area. If there were an even number of lines, it would flicker noticably.

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12y ago

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Why is odd lines used in tv systems?

To Ensure Interlaced Scanning


Is line reflection a direct isometry?

if there is an even number of line reflections then yes. if there is n odd number of line reflections, then no.


Can two consecutive numbers be even. Why or Why not?

No, because every other number in the number line is odd so therefore if you have any number of consecutive numbers you will have at least one odd number (if you're talking about consecutive numbers on a number line).


Why scanning lines are odd in number?

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If ( x ) is an odd number, the odd number that comes directly before ( x ) can be expressed as ( x - 2 ). This is because odd numbers are spaced two units apart on the number line. For example, if ( x = 5 ), the odd number before it is ( 5 - 2 = 3 ).


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An odd number minus an odd number?

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Why interlaced scan is used for tv?

On CRTs, it is used to even out the fading of the picture in each frame. The phosphor will glow for a specific amount of time. Scanning every odd row of the image on the first pass then scanning all the even rows on the second pass, allowed the fading to be unpronounced.


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the number 5 is?

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Is 825 a odd or even number?

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