[BC] INTEL 4004

[Al Stewart]

------ At 09:16 PM 07/05/2005 -0500, Phil Alexander wrote: -------
  

>On 5 Jul 2005 at 19:24, Jeff Johnson wrote:
>
>> 
>> >  I found some unused Intel 4004 CPU chips not too long ago.
>> >Dave Joseph, CBRE CBNT
>> >W7AMX
>> 
>> What was the origin of the 4004 enumeration for the first microprocessor?? 
>> Was it the 4004 years B.C.E. that the world was created??
>
>LOL Not quite that simple Jeff. The 4004 handled instructions by the nibble
>rather than by the half byte or byte, and ISTR had a data path limited to 
>four bits also. I believe the first 8 processor with 8 bit instruction set
>was the 8008 which was followed by the 8080. The big use of the 4004 was in
>clock circuits and some calculators.

And apparently also on one of the early NASA space probes.

Al

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Al Stewart
stewarta at kootenay.com
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