There are record-once versions of the compact disk and digital video disk, which can be written only once; such disks are also called __________ disks.

There are record-once versions of the compact disk and digital video

1.	There are record-once versions of the compact disk and digital video disk, which can be written only once; such disks are also called __________ disks.
A.	Write-once, read-many (WORM)
B.	CD-R
C.	DVD-W
D.	CD-ROM
Answer» B. CD-R