Both CPUs were also used in early handheld calculators and even my school had an old Sharp handheld calculator from 1972 that had an Intel 8008 CPU paired with a green vacuum fluorescent display and simple mechanical button pad!
It was the Intel Trinity book by Malone. Here is more detail from Ted Hoff on issues he saw with the book: www.ithistory.org/blog/ted-hoff-significant-omissions-malones-intel-trinity-book and here is a link to an IEEE article about the book: spectrum.ieee.org/view-from-the-valley/tech-history/silicon-revolution/author-mike-malone-on-intels-holy-trinity-steve-jobs-and-other-silicon-valley-greats
This isn't the whole story, though. The wider data and address busses gave the 8008 access to far more RAM. It also had more instructions and operated on larger bytes, which means that while it may have been slower on a per-instruction basis, it was much faster for most practical applications. It's worth noting that the 4004 was much easier to implement into a computer as it required far less external logic. It was therefor the choice for most embedded applicaitons.
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Both CPUs were also used in early handheld calculators and even my school had an old Sharp handheld calculator from 1972 that had an Intel 8008 CPU paired with a green vacuum fluorescent display and simple mechanical button pad!
This is Ted Hoff, inventor of the microprocessor and one of the first Intel employees.
What is the name of a book he talked about?
It was the Intel Trinity book by Malone. Here is more detail from Ted Hoff on issues he saw with the book: www.ithistory.org/blog/ted-hoff-significant-omissions-malones-intel-trinity-book
and here is a link to an IEEE article about the book:
spectrum.ieee.org/view-from-the-valley/tech-history/silicon-revolution/author-mike-malone-on-intels-holy-trinity-steve-jobs-and-other-silicon-valley-greats
Thank you so much :)
This isn't the whole story, though. The wider data and address busses gave the 8008 access to far more RAM. It also had more instructions and operated on larger bytes, which means that while it may have been slower on a per-instruction basis, it was much faster for most practical applications.
It's worth noting that the 4004 was much easier to implement into a computer as it required far less external logic. It was therefor the choice for most embedded applicaitons.
Thanks for adding that insight.
@@Viodi I find the very early CPUs really interesting.
Is the 4004 still being manufactured?
Unless somebody's making FPGA versions, definitetly not!
@@talideon Somewhere there are probably students in a VLSI class still making copies of dubious functionality. 🤣
No way! Intel lying about its CPUs!?