Why is the abbreviation for Hard Drive "HDD"?

Where does that extra "D" come from @_@

Hard Disk Driveshadybizkit123

QFE

[QUOTE="shadybizkit123"]Hard Disk Drivelobobizarro

QFE

You can instantly tell who the stupid people are. Firstly, aren't you required to take a computer class in school? Secondly, FGI.bohemian_bob

i'm not required to and they i don't think they teach u wat HDD means, more like how to use microsoft word or something along those lines

[QUOTE="bohemian_bob"]You can instantly tell who the stupid people are. Firstly, aren't you required to take a computer class in school? Secondly, FGI.fazio93

i'm not required to and they i don't think they teach u wat HDD means, more like how to use microsoft word or something along those lines

I was going to say something, but it would have been too rude. That was more subtle then what I would have said.

[QUOTE="fazio93"]

[QUOTE="bohemian_bob"]You can instantly tell who the stupid people are. Firstly, aren't you required to take a computer class in school? Secondly, FGI.lobobizarro

i'm not required to and they i don't think they teach u wat HDD means, more like how to use microsoft word or something along those lines

I was going to say something, but it would have been too rude. That was more subtle then what I would have said.

say something rude to me or bohemian?