Optical Drives Flashcards
1
Q
CD (Compact Disc)
A
Oldest form of optical drive that stores 724 to 80 minutes of music (650-700 MB). Infared (long wavelength)
2
Q
DVD (Digital Versatile Disc)
A
Stores 4.7 GB or 8.4 GB (DL). Red laser (medium wavelength)
3
Q
Blu-ray (BD)
A
Stores 25 GB or 50 GB (DL). Blue laser (short wavelength)
4
Q
Read-Only
A
ROM. ie CD-ROM
5
Q
Write-once (R)
A
Writing that cannot be erased. ie CD-R
6
Q
Read-write
A
allows to write and erase the file to create a new one
7
Q
DVD-RAM
A
similar to DVD-RW but have a different type of form factor
8
Q
Blu-Ray Disc (BD-RE)
A
Has write-many type of disc called erasable disc
9
Q
X-rating
A
measurement of optical drive speeds
