optical storage writes and retrieves data using a laser or similar. Magnetic storage uses a coating on a disc or tape to hold data, by manuplating the tiny ferrous elements on the surface it can...
Non-magnetic storage media include: CDs, DVDs, Laserdiscs, and Blu-Ray (optical)NAND, Flash, and SD devices (thumb drives, SD cards, and Solid State drives)RAM drives and SRAM (Static RAM)RFID and...