Question

The purpose of dividing each frame into two field so as to transmit $50$ views of the picture per second is

• A. To avoid flicker in the picture
• B. The fact that handling of higher frequencies is easier
• C. That $50Hz$ is the power line frequency in India
• D. To avoid unwanted noises in the signals

Answer 1

Answer: (A)

To avoid flicker in the picture

This procedure is often applied in interlace scanning which helps to reduce flick (as it involves more number of views in the picture per second ) in the received image without increasing the channel bandwidth.