Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail
From: Dan Espen <dan1espen@gmail.com>
Newsgroups: comp.misc
Subject: Re: Inside an IBM z17
Date: Mon, 05 May 2025 11:31:55 -0400
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Lawrence D'Oliveiro <ldo@nz.invalid> writes:

> On Sun, 4 May 2025 20:53:42 -0400 (EDT), Scott Dorsey wrote:
>
>> You should check out Martin's "Design of Real-Time Computer Systems"
>> which was written in the early days of SAABRE and other transaction
>> processing systems.
>
> Their idea of “real time” was responding in a few seconds, before the user 
> got frustrated enough to hit SEND again.

My experience: 360/30, 64K, 1968, locally attached 2260s, BTAM
application, instantaneous response.

-- 
Dan Espen