Key Difference: A ‘Disc’ refers to optical media, such as CD, CD-R, DVD-R, DVD-RW, etc. These are a type of removable storage devices that can be used to store files, songs, etc. A ‘Disk’ is a magnetic storage device, similar to floppy disks, the disk on the computer’s hard drive and an external hard drive. These disks are usually sealed within a plastic or metal case in order to protect the magnetic files on it from damage.

A ‘disc’ and ‘disk’ are two words that are pronounced in the same way, though they mean two different things. Both the terms refer to a data storage medium that has a circular and thin geometry. According to popular belief of the 20^th century that the device is spelled as ‘disk’ in America and ‘disc’ among the British, however, there a huge difference between the two terms.

A ‘Disc’ refers to optical media, such as CD, CD-R, DVD-R, DVD-RW, etc. These are a type of removable storage devices that can be used to store files, songs, etc. Some of these files are read-only (ROM), while others allow users to burn content on it either once or multiple times, depending on the type. These ‘discs’ are removable, meaning they can be removed or ejected from the computer.

A ‘Disk’ is a magnetic storage device, similar to floppy disks, the disk on the computer’s hard drive and an external hard drive. These disks are usually sealed within a plastic or metal case in order to protect the magnetic files on it from damage. Disks are rewritable, unless they are locked by the administrator. Disks such as the hard drives on the computer can be partitioned into smaller volumes. Hard drives are not removable from the computer, though floppy disks and external hard drives do not need to be placed inside the computer and can be removed.

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