Re: [ARSCLIST] Preservation media WAS: Cataloguing still :-)

[steven c <stevenc@xxxxxxxxxxxxxx>]

----- Original Message ----- 
From: "Roger and Allison Kulp" <thorenstd124@xxxxxxxxx>
> Japan.Sony inroduced them,like 1981 or so.
> Roger Kulp
>
Thanxes! I meant to type "when," which you also answered!

Now...anybody know when the first hard drives appeared? I know
they were called "Winchesters," used 8" plates and were an
accessory for mainframe machines...but when?
Steven C. Barr

> steven c <stevenc@xxxxxxxxxxxxxx> wrote: ----- Original Message ----- 
> From: "Don Cox"
> > How did engineers make the first CDs, when hard drives were not big
> > enough to hold 600 Megs of data?
> >
> Actually, I'm not sure...but one way it COULD have been done is with
> magnetic tape storage, since that was used on mainframe computers at
> least in the early seventies, if not before. When I was working my
> way through university as a security guard for State Farm ('74-'76)
> I recall seeing carts loaded with HUGE reels of data tape...and I
> have no idea what the length v. data capacity algorithm might have
> been (or how many reels of tape, if more than one, would be needed
> to store the digital capacity of a CD...?)
>
> In fact, where WERE CD's introduced commercially?
>
> Steven C. Barr
>
>
>
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