High-definition TV has a higher resolution and uses a wider screen than standard-definition TV and uses much more bandwidth.

Question

Quizplus · Accepted Answer

High-definition TV has a resolution of at least 720 pixels vertically and uses a wider screen ratio of 16:9, compared to standard-definition TV which has a resolution of 480 pixels and a screen ratio of 4:3. The higher resolution and wider screen require more bandwidth to transmit the signal.

High-Definition TV Has a Higher Resolution and Uses a Wider