if you're talking about for your computer, it clears up space for you. It combines like items so you have more free space to save items and more free space to have your computer run faster.
a compact disk does not belong to the computer maybe your thinking about the compact disk drive. a compact disk is just a CD-ROM.
disk (compact disk)
A compact disk is an average CD.
Compact disk do
CD mean only compact disk
James Russell invented the compact disk in 1965.
A compact disk is an average CD.
it is a CD(Compact Disk) and a DVD (Digital Video Disk)
CD stand for Compact Disk and CD 4016 stand for compact disk my
i-pods suck so they invented compact disk players aka CD playas
Compact Disc
Compact Disk.