The term DISK TYPE can be solved by the crossword solution FLOPPY, which is a 6 letter word. FLOPPY disks are a type of disk storage composed of a disk of thin and flexible magnetic storage medium encased in a square or rectangular plastic shell. They were first introduced in the late 1970s and were the primary form of data storage until the mid-1990s when they were replaced by more efficient storage devices such as CDs and USB drives.