[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Dave Dunfield via cctalk
Chuck Guzis wrote: > I don't think the "first" applies in this case. The MCM/70 used an 8008 On the subject of early 8008 designs - there was a Canadian one (1974 I think) the MIL (Microsystems International Limited) MOD-8 - later also released as the GNC-8 (Great Northern Computers) I also

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Bill Degnan via cctalk
On Fri, May 24, 2024 at 11:30 PM Dave Dunfield via cctalk < cctalk@classiccmp.org> wrote: > Weill .. I certainly expected lots of "discussion" on these statements > about my Altair: > > I have never claimed to be an "unknown drip"(*) on details of computer > history, but here is my reasoning: > >

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Dave Dunfield via cctalk
Weill .. I certainly expected lots of "discussion" on these statements about my Altair: I have never claimed to be an "unknown drip"(*) on details of computer history, but here is my reasoning: > First Personal Computer (long before IBM PC) I am well aware of small systems that predated the

[cctalk] Re: ANITA ((was: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Rick Bensene via cctalk
Christian Corti wrote: > The Anita electronic desktop calculators are a perfect example for the usage > of > selenium rectifiers in logic gates. ..and anyone who has restored one knows that the vast majority of the back-to-back selenium diode packages have to be replaced with something

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread CAREY SCHUG via cctalk
Gak, 4k ram but 100k via virtual memory TO CASSETTE? I want one just for that. LOL Was the cassette multi-track with one track containing timing marks, so records would not overlay each other? I guess I would argue the definition of a PERSONAL computer is if many or (preferably) nearly all

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Rich Alderson via cctalk
First, Dave wrote: > Date: Thu, 23 May 2024 15:53:53 -0400 > From: Dave Dunfield > I've just passed on my "Mits Altair 8800" - this is a very historic system > from the 70s - it is: > First system Bill Gates wrote code for (long before Microsoft) Which is on the face of it incorrect. Then

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Christian Liendo via cctalk
There was a 4004 based computer developed in 1972 that was released before the Micral called the Comstar 4. It's not very well known but it was written about in the ACM and the Computer History Museum has a copy of their sales manual ACM article https://dl.acm.org/doi/pdf/10.1145/1499949.1499959

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Fred Cisin via cctalk
Besides nobody fully comprehending what "FIRST" really means, . . . "The Altair was just an obscure predecessor; the personal computer was invented by Steve Jobs!" :-) "How can you call it a 'Personal Computer' with no mouse or Windoze?" :-) On Fri, 24 May 2024, Don R wrote: Well the Xerox

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Don R via cctalk
Well the Xerox Alto had a three button mouse, making it “extra” personal. ;) Don Resor Sent from someone's iPhone > On May 24, 2024, at 11:53 AM, Fred Cisin via cctalk > wrote: > > On Fri, 24 May 2024, Sellam Abraham via cctalk wrote: >> > Besides nobody fully comprehending what "FIRST"

[cctalk] Re: First Personal Computer

2024-05-24 Thread jim stephens via cctalk
On 5/24/24 11:49, Mike Katz via cctalk wrote: The problem with this debate is that the definition of Personal Computer is totally fluid A friend worked with an IBM 4361 at UMSL in St. Louis.  It was very little used as the print and other unit record had a separate unit to handle that

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Fred Cisin via cctalk
On Fri, 24 May 2024, Sellam Abraham via cctalk wrote: This is on the Canonical List of ClassicCmp Debate Topics and is a dead horse so beaten that there's nothing left but teeth and fur at this point. Besides nobody fully comprehending what "FIRST" really means, . . . "The Altair was just an

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Christian Corti via cctalk
On Fri, 24 May 2024, Paul Koning wrote: selenium, which is a very marginal semiconductor. Speaking of which: some early computers tried to use selenium diodes as circuit elements (for gates), with rather limited success. The MC ARRA is an example. The Anita electronic desktop calculators

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Christian Corti via cctalk
On Fri, 24 May 2024, CAREY SCHUG wrote: the LGP-30 was used by one person AT A TIME, but on different days used by different people, who might or might not know each other, by some arbitrary scheduling algorithm. The one I was familiar with was run by a tech or grad student, doing work not

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Christian Corti via cctalk
On Fri, 24 May 2024, Sellam Abraham wrote: On Fri, May 24, 2024, 2:45?AM Christian Corti via cctalk < This would go back to the 50s or earlier. The LGP-30 and comparable machines are considered as personal computers, too. But was it called a "personal computer"? And was it designed to be

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Paul Koning via cctalk
> On May 24, 2024, at 1:26 PM, Chuck Guzis wrote: > > On 5/24/24 09:52, Paul Koning wrote: > >> >> I once ran into a pre-WW2 data sheet (or ad?) for a transistor, indeed an >> FET that used selenium as the semiconducting material. Most likely that was >> the Lilienfeld device. > > Could

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Sellam Abraham via cctalk
On Fri, May 24, 2024 at 9:45 AM Chuck Guzis via cctalk < cctalk@classiccmp.org> wrote: > Just pointing out that "firsts" are very difficult. ... > "First" is a tricky term, like "best". > > --Chuck Yep, which is part of the canonical debate ;) This is why I and many others in the hobby

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Chuck Guzis via cctalk
On 5/24/24 09:52, Paul Koning wrote: > > I once ran into a pre-WW2 data sheet (or ad?) for a transistor, indeed an FET > that used selenium as the semiconducting material. Most likely that was the > Lilienfeld device. Could also have been a device from Oskar Heil in the 1930s. What really

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Paul Koning via cctalk
> On May 24, 2024, at 12:45 PM, Chuck Guzis via cctalk > wrote: > > ... > Just pointing out that "firsts" are very difficult. Even though, for > years, Shockley et al were trumpeted as the "inventors of the > transistor", it's noteworthy that their patent application was carefully > worded

[cctalk] First Personal Computer

2024-05-24 Thread Mike Katz via cctalk
The problem with this debate is that the definition of Personal Computer is totally fluid and can be written so that the writers opinion is fact. Each computer system has contributed, in some way, to those that followed. If you really want say what is the first "personal" computing machine

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Chuck Guzis via cctalk
On 5/24/24 09:14, Sellam Abraham via cctalk wrote: > This is on the Canonical List of ClassicCmp Debate Topics and is a dead > horse so beaten that there's nothing left but teeth and fur at this point. > Whatever--the MITS 8800 only I/O was a bunch of switches and LEDs. While an I/O card could

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread John Foust via cctalk
At 07:50 AM 5/24/2024, Henry Bent via cctalk wrote: >Surely the code written for Traf-O-Data, before Altair BASIC, counts as a >commercial product; I'm not sure what definition of "published" you're >using here. They didn't sell Traf-o-data, did they? I thought it was a tool they used to analyze

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Sellam Abraham via cctalk
On Fri, May 24, 2024 at 8:34 AM Chuck Guzis via cctalk < cctalk@classiccmp.org> wrote: > On 5/24/24 07:57, CAREY SCHUG via cctalk wrote: > > > (I could be mistaken about the mentioned 8008 device, but I think that > was a training device, no?) > > Do your homewoork--the MCM-70 ran APL, had

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Chuck Guzis via cctalk
On 5/24/24 07:57, CAREY SCHUG via cctalk wrote: > (I could be mistaken about the mentioned 8008 device, but I think that was a > training device, no?) Do your homewoork--the MCM-70 ran APL, had cassette storage and a display and keyboard. The MITS 8800 had nothing other than RAM and a CPU.

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread CAREY SCHUG via cctalk
c'mon guys, the altair was the first device with a CPU chip and memory --marketed to INDIVIDUALS, with the expectation that only one person or one related family will use it --intended to be for GENERAL PURPOSE Two, IMHO, requirements for a PERSONAL COMPUTER. Note that a "personal computer"

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Paul Koning via cctalk
> On May 24, 2024, at 10:40 AM, Sellam Abraham via cctalk > wrote: > > ... > But it doesn't meet the other criteria Dave laid out. Most people these > days have never heard of the Micral, but even normies might've heard of the > Altair 8800 because of the very notoriety it has today because

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Sellam Abraham via cctalk
On Fri, May 24, 2024, 2:45 AM Christian Corti via cctalk < cctalk@classiccmp.org> wrote: > On Thu, 23 May 2024, Chuck Guzis wrote: > > On 5/23/24 12:53, Dave Dunfield via cctalk wrote: > >> First Personal Computer (long before IBM PC) > > This would go back to the 50s or earlier. The LGP-30 and

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Henry Bent via cctalk
On Fri, May 24, 2024, 07:47 Dave Dunfield via cctalk wrote: > > -- Christian Corti -- on "Bill Gates first code" > >Didn't he write code for DEC machines at his school before that? > > I'm sure he wrote code before Mits BASIC - everyone writes lots of stuff as > they learn - but as far as I have

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Christian Corti via cctalk
On Thu, 23 May 2024, Chuck Guzis wrote: On 5/23/24 12:53, Dave Dunfield via cctalk wrote: First Personal Computer (long before IBM PC) This would go back to the 50s or earlier. The LGP-30 and comparable machines are considered as personal computers, too. First system Bill Gates wrote