A new optical disc format known as the Blu-ray Disc (BD) is becoming popular. In what way is it different from the traditional DVD?(2011)
1. DVD supports Standard Definition video while BD supports High Definition video.
2. Compared to a DVD, the BD format has several times more storage capacity.
3. Thickness of BD is 2.4 mm white that of DVD is 1.2 mm.
Which of the statements given above is/are correct?
b) 1 and 2 only
c) 2 and 3 only
d) 1, 2 and 3
Both BD and DVD has thickness of 1.2 mm