Originally posted by zeitghost
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Reply to: On the Shoulders of Giants...
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Previously on "On the Shoulders of Giants..."
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Originally posted by zeitghostThis looks as simple as it gets...
http://en.wikipedia.org/wiki/Resistor-transistor_logic
4 resistors & 3 transistors for a 3 input NOR...
Cheers Zeity.
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Originally posted by zeitghost View Post
Why NOR gates though - I though NANDs were less complicated?
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On the Shoulders of Giants...
http://en.wikipedia.org/wiki/Rope_memory
How do you fancy knitting your programs into rom?
"LOL memory" a.k.a. "Little Old Lady memory"...
Amazing.
And
http://en.wikipedia.org/wiki/Apollo_Guidance_Computer
And, of course, some lune has to build his own version in his basement...
http://klabs.org/history/build_agc/
Originally posted by Zippy View PostEee them were the days, back when men were men and engineers could actually engineer.
Why NOR gates though - I though NANDs were less complicated?
http://en.wikipedia.org/wiki/Resistor-transistor_logic
4 resistors & 3 transistors for a 3 input NOR...
Originally posted by Zippy View PostAh. NANDs are simpler to manufacture but I guess that's not the same thing.
Cheers Zeity.
Not in 1960s RTL they're not...
It's easy to forget how difficult some of this stuff was from the perspective of Gigs of ram & billion transistor chips...
That being said, those ancient RTL chips were a lot more radiation hard than anything since.Last edited by zeitghost; 28 March 2017, 08:40.Tags: None
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