A DVD has a tighter spiral track than a CD, allowing it to store more data despite being the same size, and a finer red laser is used in DVD drives than CD drives.
*********
VU FIA UDC CONSTABLE PAST PAPER 31-12-2021
Blue-ray disk stores more data than DVD.
The Blu-ray Disc, often known simply as Blu-ray, is a digital optical disc storage format.
ND11-2-2023
Get instant updates and alerts directly from our site.
Install this app on your device for quick access right from your home screen.