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Justifications and trade-offs of historical hardware and software designs, and their possible alternatives.
37
votes
Twist in floppy disk cable - hack or intended design?
This was a good piece of production engineering.
IBM expected to sell lots of twin-floppy PCs, even after the launch of the XT (personal experience in a UK reseller in late 1984).
To assemble a twin-f …
5
votes
Why are symmetric bi-directional communication port cables not always crossover cables?
Data communications connector standards are specified for the majority use case of interconnecting different types of equipment :
Terminal / printer / computer (DTE) <-> modem (DCE) for RS-232
Comput …