OPTICALSTORAGE·CD-ROM:500-660MEGABYTES-LAND:FLATPARTSOFDISKSURFACEREFLECTSLIGHT-PITS:SMALLSCRATCHONSURFACESCATTERSLIGHT·WORM:WRITEONCEIREADMANYERASABLEOPTICALSTORAGE(EOS)DISKS6.34• CD-ROM: 500-660 MEGABYTES –LAND: FLAT PARTS OF DISK SURFACE REFLECTS LIGHT –PITS: SMALL SCRATCH ON SURFACE SCATTERS LIGHT • WORM: WRITE ONCE / READ MANY • ERASABLE OPTICAL STORAGE (EOS) DISKS * OPTICAL STORAGE 6.34