CBSE Class 11 Computer Science
Question 69 of 106
Computer System Organization — Question 30
Back to all questions| CD | DVD |
|---|---|
| CD stands for Compact Disc. | DVD stands for Digital Versatile Disc. |
| The storage capacity varies from 650 MB to 900 MB. | A DVD can hold 4.7 GB to 17 GB of data. |
| CDs are made of a polycarbonate disc with a reflective aluminum layer on one side. | DVDs are made of a polycarbonate disc with a reflective aluminum layer on both sides. |
| CDs are more likely to be scratched or damaged, which can cause data loss. | DVDs are more durable than CDs as they have a protective layer on both sides of the disc. |