adapted

changed


affordable

be able to buy something


floppy disk

A floppy disk is a type of data storage device that comprises a circular piece of thin, flexible (hence the name) magnetic media encased in a square or rectangular plastic wallet. 


innovations

An improvement to an existing idea, Improves quality, comfort or efficiency.


invention

An invention is something NEW, solves an existing problem, should have a purpose and be useful to people.


optical discs

a disk coated with plastic that can store digital data such as music or texts, as tiny pits etched in the surface; is read with a laser that scans the surface.