The Compact Disc is a disc used to store digital data.
It was originally made to store and playback music, but later expanded to do data storage (CD-ROM), write-once audio and data storage (CD-R), rewritable media (CD-RW), Video Compact Discs (VCD), Super Video Compact Discs (SVCD), PhotoCD, PictureCD, CD-i, and Enhanced CD.
Hard Drive
A hard disk drive is a random access digital magnetic data storage device.
It has a thick disc-shaped object on a motor-driven spindle within a metal case. Data is magnetically read from and written to the platter by read/write heads that float on a film of air above the platters.
USB Flash Drive
A USB flash drive is a data storage device that consists of flash memory with a USB plug. USB flash drives are typically removable and rewritable and can store information such as PDF files, Excel spreadsheets, Music and many more filetypes.
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