Optical memory is an early form of computer memory. It involves the use of an optical system for the writing and reading of data to and from a computer's main memory.

No, its not an optical storage device.

It is not an optical device. C D ROM or DVD are optical devices. Whereas a digital memory card is solid state device.

Neither. Flash memory is comprised of computer chips, specifically something called NAND memory.

G. A. Alphonse has written:

'Parallel optical random access memory - PORAM -' -- subject- s -: Acousto-optics, Emitters, Magneto-optics, Random access memory, Optical memory - Data storage -, Parallel processing - Computers -, Electron precipitation