The 10^-15 figure is ridiculous, and a 7090 with 12 tape drives would have had 
to have at least two channels, so they claim that you could read two tapes at 
the same time is also ridiculous.

Yes, the 7090 was painfully limited and slow by contemporary standards, but 
there's no need to exaggerate.


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3

________________________________________
From: IBM Mainframe Discussion List [[email protected]] on behalf of Tom 
Brennan [[email protected]]
Sent: Wednesday, December 22, 2021 1:26 AM
To: [email protected]
Subject: Another old mainframe comparison

I don't know what's going on with the comparisons lately, but here's a
fun one.  Paging the fact checkers...
https://spectrum.ieee.org/ibm-mainframe

----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to [email protected] with the message: INFO IBM-MAIN

----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to [email protected] with the message: INFO IBM-MAIN

Reply via email to