Energizing a vacuum-tube flip-flop module from a 1948 IBM system
In 1948, IBM introduced the 604 Electronic Calculating Punch. This machine was a programmable calculator, about the size of a double refrige...
Read full article →In 1948, IBM introduced the 604 Electronic Calculating Punch. This machine was a programmable calculator, about the size of a double refrige...
Read full article →