Question

Scanning always takes place from ________

(a) right to left

(b) left to right

(c) left to right for odd fields and right to left for even fields

(d) left to right for even fields and right to left for odd fields

The question was asked by my college professor while I was bunking the class.

The question is from Generation of AM Waves topic in section Amplitude Modulation of Analog Communications

Answer 1

Right answer is (b) left to right

To elaborate: Scanning is mostly used in TV to obtain continuous frames and to provide motion of picture. Scanning always takes place from left to right.