I often thought the word software was a bit of a misnomer anyway, especially when it came on the undeniably tough cartridges. The software is the program but in the old days there was still the physical shell of it, particularly if you needed to connect cables to it or press its buttons.
http://home.total.net/~hrothgar/museum/ ... index.html
Just a little thought to carry me off to bed. So what do we think then?