Data is stored in binary form on secondary storage devices ... represents a binary '0'. Optical media also come in different types: Solid state devices require little power, making them ideal ...

A direct access storage device that is written and read by light. The most common types are CD, DVD and Blu-ray. As removable media, optical discs superseded the earlier magnetic disk cartridges ...

data storage, and beyond. Optical skyrmions are topological light structures with extraordinary characteristics. We introduce ...

Secondary storage close secondary storageNon ... represents a binary '0'. Optical media also come in different types: Most solid state devices use a type of flash memory to store data indefinitely.