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Data communications over telegraph circuits 1923
Colonel Forbin Very true. At that time, people had begun to use telephones more than ever--they had more extension phones and phone lines in their homes and...
Data communications over telegraph circuits 1924
Horse pucky lady. It *should* be beneath your dignity to make statements that you can't demonstrate to be true. Gratuitous insults won't make your point for you. I'm...
Data communications over telegraph circuits 1925
I don't know how else to explain this. See Lars post in this thread. He...
Data communications over telegraph circuits 1926
Did customers really need to deal with multiple vendords who pointed the finger at each other when anything went wrong? With hardware that was promised to be...
Data communications over telegraph circuits 1927
I hope you understood it! Lars picked up on an "aspect" I mentioned but you didn't understand, and expanded on it to help...
Data communications over telegraph circuits 1928
in the late 80s there was some similar comments about the background of people that were responsible for OSI work in ISO (not so much telecommunications background, ... more...
Data communications over telegraph circuits 1929
Davidson) Yes. And the US and UK governments mandated OSI networking as a procurement standard. In the UK, this was further supported by its adoption by...
Data communications over telegraph circuits 1930
Mostly at the behest of the telecom industry. But you denied *my* statement that they were...
Data communications over telegraph circuits 1931
oh, and the somewhat obligatory posting about the internal network being larger than arpanet-internet from just about the beginning until sometime in the mid-80s at the...
Data communications over telegraph circuits 1932
I forgot to mention WU's dilema is not unusual for old companies. There was a major popular restaurant chain in NYC and Phila known as...
Data communications over telegraph circuits 1933
Jim Haynes Thanks for sharing the info. I know of one exception--customer owned dictation equipment connected to a PBX. AT&T developed interfaces so that one could dial commands to...
Data communications over telegraph circuits 1934
Another early exception was the "recorder connector", a black box on the wall with a connector...
Data communications over telegraph circuits 1935
Well I guess Alaska was special anyway since the telephone company was Alascom. Telex started out...
Data communications over telegraph circuits 1936
I perhaps should have mentioned that while not typical, there were customers with DC loops who did not use modems at...
Data communications over telegraph circuits 1937
CBFalconer Yes, and also so she would put what she called a "data block" (which I buttume was physically a little solid block of wood or plastic) around the...
Data communications over telegraph circuits 1938
Justa Lurker In organizations that had Teletypes for time-sharing, I noticed that they phone line was always a...
Data communications over telegraph circuits 1939
Jim Haynes Obviously originally Telex and TWX used Baudot. Did these systems ever convert to ASCII...
Data communications over telegraph circuits 1940
One of the other folks mentioned the central office "converters" that permitted some degree of interoperability between speeds...
Data communications over telegraph circuits 1941
Baudot hasn't been used for about a century. The five-bit code used by the deaf, radio hams, Telex, TWX, newsrooms, and the ASR-32 Teletype, is properly called Murray or...
Data communications over telegraph circuits 1942
The common meaning of "Baudot code" today the American variation of ITA2 (International Teletype Alphabet 2) standardized by the...
Communications Computers Data communications over telegraph circuits
I'd like to fork off a topic on this discussion, that of computers designed for communication purposes. There was a fairly brief period when these machines...
Communications Computers Data communications over telegraph circuits 1944
The Datanet continued to evolve at least well into the 1980s as long as hardwired serial terminals and modem ports were...
Communications Computers Data communications over telegraph circuits 1945
Jim Haynes I think the definition is easily blurred. Aren't all routers today basically computers designed for communications? I suspect the trend has...
Communications Computers Data communications over telegraph circuits 1946
Well I meant to limit it to the circa 1960 time frame, when there were computers being built specifically for data switching. Sure, today everything is microprocessor based. I neglected to mention the...
Communications Computers Data communications over telegraph circuits 1947
Jim Haynes I'm just guessing, but I don't think the Teletype Corp had that much electronics capability. Later on they made electronic terminals as...
Data communications over telegraph circuits 1948
That was all pretty much worked out by the mid-1930's or so! Some of the test equipment developed post-war was certainly better due to technologies that improved during the war years though...
MAKE LOADS OF MONEY FOR FREE
MAKE THOUSANDS!!! I found this on a bulletin board and decided to try it: I don't care about the useless pre-fabricated crap...
2004 8051 unit sales 1950
bad if you can get a macro buttembler to emulate a reasonable buttortment of instructions, but then you still get to work around the ram and eprom...
2004 8051 unit sales 1951
Bank issues aside, it's not that bad. It's just different. There's few instructions to learn, their self explanitory, and they work as advertised. PIC...
2004 8051 unit sales 1952
Oh, I'm not arguing it's wrong. What gets old is trying to stretch the LUT over 256 entries. Granted, RETLW is a fun and useful instruction all over. but, the thing...
2004 8051 unit sales 1953
There is more than one C compiler, or at least there has been in the past. Keil may be...
big endian vs. little endian, why 1954
Eric Chomko) wrote, in part: I would *like* to say that it is because they manufacture computers in Israel and the Arab world, where the language in use is written from...
big endian vs. little endian, why 1955
Because the 8008 was designed by semiconductor designers not computer peoplem, and they did things to minimise the silicon used. In this...
big endian vs. little endian, why 1956
over a year ago, i bought a dell dimension 8300 with mulbreasthreaded 3.4ghz processor, 4gbytes...
big endian vs. little endian, why 1957
Yep- I have 8 Powerpc sbc's running the lab, console access is by rs232, 9600N81. The great thing about rs232 is its nice & simple, which is...
big endian vs. little endian, why
I very much prefer big-endian. The first byte-addressed machines (or any machines, for that matter) that I used were PDP-11 then 6502 then VAX then 8086, all of which were little-endian...
big endian vs. little endian, why 1959
You need to look at the hardware implementations. Back when transistors were much more expensive, a lot of machines used only byte-wide data paths in the CPU. Arithmetic was done...
big endian vs. little endian, why 1960
When I said "alien" it was my way of referring to an integer format which is...
big endian vs. little endian, why 1961
A more basic question, CCSDS aside, is why interpret bits left to right and bytes right to left? Doesn't it make more...
Personal Computer" Why haven't the email bobmers been shut down by no
Have you seen any of the Chevy Chase "Vacation" movies? 1) Things didn't go nearly that well. 2) Next time he says, "I'm...
54 Processors
my wife did her stint in pok in charge of loosely-coupled architecture, where she came up with peer-coupled shared-data architecture (ims hot standby used some of it ... but you really didn't...
What ever happened to Tandem and NonStop OS 1964
HP has moved VMS to the Itanium, but the NSK project was cancelled. Both VMS and...
What ever happened to Tandem and NonStop OS 1965
When did DEC first make a microcomputer? Was it the Rainbow? Do you think that DEC took their LS-11 seriously? If so...
What ever happened to Tandem and NonStop OS 1966
I have no idea when. I think I'd guess at one the PDP-8s. We were doing a lot of stuff. Our customers were...
What ever happened to Tandem and NonStop OS 1967
Distribution: PDPs were minis turned maxis... A mircocomputer has as its CPU a microprocessor, unless you can clarify that... RISC changed that...
What ever happened to Tandem and NonStop OS 1968
Right, but had DEC allowed the LSI-11 technology to evolve, then it would have had something which could compete with Motorola and Intel. But ONLY DEC used the...
What ever happened to Tandem and NonStop OS 1969
Eric Chomko SNIP IIRC They did provide OEM boards. SNIP The Alpha was limited in how it could be opened up due to export restrictions. Intel...
What ever happened to Tandem and NonStop OS 1970
Eric Chomko SNIP You can not honest blame DEC for Itanium's poor sales... SNIP You do not write buttembly in 'C' clubi-wan-kenoobie...
What ever happened to Tandem and NonStop OS 1971
Eric Chomko SNIP Not "typically reserved for buttembly language" in my experience. Nearly every HLL I have used had some form bitwise operators and unsigned types. buttembler != HLL, that is the point really...
What ever happened to Tandem and NonStop OS 1972
Right. Please list the HHL you've used. COBOL, FORTRAN, PL-I? Wann start with 4GLs? CISC buttembler is better than RISC due...
What ever happened to Tandem and NonStop OS 1973
i've frequently claimed that the 801-risc project in the 70s was an adverse reaction to the future system project ... and was looking at doing the exact opposite. future system...
What ever happened to Tandem and NonStop OS 1974
But Intel, AFAIK, did not take the software with it. No matter how much you hardware types think the gear is the most...
What ever happened to Tandem and NonStop OS 1975
Andrew Swallow It appears that you don't know enough about how they actually work in silicon. Aye, but before the user even gets to ignore Caches...
What ever happened to Tandem and NonStop OS 1976
Sure. That is the most convenient way to find all the obsolete instructions. The whole point of this is to not have the code have...
What ever happened to Tandem and NonStop OS 1977
cp67 had to do this with 360 privilege instructions for virtual machine support (so that the privilege operation followed virtual machine rules ... rather than real machine rules). for most environments, end-users aren't directly focused...
What ever happened to Tandem and NonStop OS 1978
Andrew Swallow SNIP I'd really like to know what that 6 x 8086 box was, I am interested in Frankenstein hardware...
What ever happened to Tandem and NonStop OS 1979
some old news ... International Business Week, 9-26-88 * In a few months Intel will introduce its 80486...