RE: What is a disk arm? -- MIDRANGE-L

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Something like 2MB took up an entire room. Big. Heavy. Expensive. They would only be used for something like an index with the actual data held on regular disks. This was at a time when most I/O was through punched cards and printers. The only actual use I can think of was in telephone switching equipment and I'm not sure about that.

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Paul Nelson
Sent: Thursday, June 13, 2013 4:44 PM
To: 'Midrange Systems Technical Discussion'
Subject: RE: What is a disk arm?

<<those must have been some very heavy disks...>>

Yes they were.

Paul Nelson
Cell 708-670-6978
Office 512-392-2577
nelsonp@xxxxxxxxxxxxx

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Roberto José Etcheverry Romero
Sent: Thursday, June 13, 2013 4:29 PM
To: Midrange Systems Technical Discussion
Subject: Re: What is a disk arm?

I stand corrected and will proceed to get the hell out of your lawn.
head per track, those must have been some very heavy disks...

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