4-bit Relay ALU (РЦВМ-1)
4-bit Relay ALU (РЦВМ-1)
Hello from 2009 year :) I made this machine long time ago, using schematic from a book "Radioelectronic toys" wroted by Stanisław Wojciechowski This device can Add and Substract two 4-bit numbers and Multiply 3-bit by 2-bit numbers. USSR relay 27 x RES22 and 16 x REK23 were used
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