"I guess I shouldn’t doubt it too much." How ELSE would you do it, on a machine with no ROM? We always had to manually enter one instruction into memory to sta

"I guess I shouldn’t doubt it too much." How ELSE would you do it, on a machine with no ROM? We always had to manually enter one instruction into memory to start up the card reader to read the bootstrap card. (This was long before the PDP-11's that others have mentioned.) "She did used to bring old (some used!) punch cards home from work for us kids to play with. I suppose they must have been clearing out obsolete equipment and systems." Old used punch cards were far more prevalent than new ones ... every time you type a line into your computer and then delete or correct it, that's equivalent to having an old punch card.