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OPTICAL FORMATS
Microscopic binary storage - bumps read with laser beam. /
- CD - 700 MB capacity,
- DVD - Digital Versatile Disc - 4.7 or 8.5 GB./
- Blu-ray Disc -25 GB for Single-Layer,50 for D-L.
WRITING ON MEDIA
Laser will darken photosensitive dye("burners")
.
Compact Disc-ReWritable (CD-RW).
DVD Read and Rewritable(DVD-R/RW) - also Dual Layer (DVD-R DL);
Blu-ray Disc Recordable (BD-R).
Blu-ray Disc Recordable Erasable (BD-RE)./
TYPES of STORAGE
SATA/ PATA / SCUSI HDD./
Solid-state Drives - SSD./
Optical Media - CD, DVD , Blue-ray./
Flash Memory - Removable Storage./
External HDD./
Floppy Disk Drive - hard to find them(90mm)./
Tape Drives- for large systems,
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