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Optical Storage Medium
DVD and RAM are not permanent storage devices.
An Optical Disk
a File
For what storage medium are phase change alloys used?
An optical storage device is an electro-mechanical unit that can save and retrieve (write and read) information on a special disc medium using a laser light. Optical drives are designed to work with several types of media: CDs ("compact disc"), DVDs (digital versatile disc" or "digital video disc") and Blu-ray discs.
An optical storage device is an electro-mechanical unit that can save and retrieve (write and read) information on a special disc medium using a laser light. Optical drives are designed to work with several types of media: CDs ("compact disc"), DVDs (digital versatile disc" or "digital video disc") and Blu-ray discs.
RAM is a primary storage medium, but it is volatile. Cache memories storage frequently accessible data.
A medium is the base substance for some task or experiment. Storage media include any technological devices used to store, keep and retrieve data (information).
An optical storage medium such as a CD or DVD can store audio and video files, respectively. DVD's are also capable of storing images and other data.
Zip drives are both input-output and storage devices.
Diamond (solid)