Computer Questions – Whats the difference between disc and disk?

How annoying is it when you have two words that sound the same, have slightly different spellings, but can also sometimes mean the same thing. I came across this problem when I started writing articles about computers and was often confused when deciding which word to use, disc or disk? The problem is that everyone is not clear about the difference between the words disc and disk, and therefore their original meanings have been altered and blurred.

What does Disk mean?  

To my knowledge in computer terms, the word disk  originated with the introduction of a hard drive disk and a floppy drive disk.  These are both magnetic storage devices. As I remember disk was the original  spelling for this type of device.  

The word disc was introduced when the compact disc  was produced. Much like the word discus, which refers to a small round disc that  you throw, a compact disc is also small and round. This is an optical media  which can store data, movies, or music. Now days they not only have the compact  discs but also have re-writeable Cd’s and Dvd discs.  

Read this Quote from
Kenneth G. Wilson (1923–).  The
Columbia Guide to Standard American English.  
1993.“These were once variant spellings, but
American English seems now to have made disk the generic word (the
British prefer disc for this purpose), meaning “a flat round object,
whether literally a disk, such as a coin, or something that appears
disk-shaped, such as the image of the sun.” The bits of cartilage between
the vertebrae in the human spine are also disks. Disc then has
specialized in American use, meaning particularly “a phonograph record or a
compact disc,” but it seems now to be being replaced by disk
in most computer-related senses and to be in fading but divided usage as the
name of the farmer’s disk [disc] harrow.”
  

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{ 1 comment… read it below or add one }

Danny from pellet rifle reviews March 25, 2012 at 7:26 am

It’s still very confusing. I didn’t even know there was a difference.
And apparently officially there is no difference anymore, I think you can use both for storage-medium and also for the mathematical term.

If I would speculate on the origins of the two spellings then I would guess that disk was first used as an abbreviation of diskette. As floppy disk was actually floppy diskette. And Disc comes from discus which is the name of flat and circular shape.
Both being storage medium and the disc replacing the floppy disk while computers were becoming more popular and common. So people who got introduced to computers for the first time when cd’s were all new and fancy but floppy disks were also still used in computers, they see the word disc everywhere and probably just assume that the floppy disk would be spelled the same way thus calling it floppy disc.
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