CD:
1. CD stands for compact Disk.
2. CDs are made with the purpose of holding audio files as well as program files.
3. A standard CD can store about 700 MB of data.
DVD:
1. DVD stands for digital versatile disc.
2. DVDs are made with the purpose of holding video files, movies, substantial amount of programs etc.
3. A standard DVD can hold 4.7 GB of data.
