Complex sentence: Thus each sixteen-bit word holds a twelve-bit sequence with ones for each hole in that column-the console keyboard also generates punched-card bit patterns; this is called Hollerith code.
Split into simpler sentences: Thus each sixteen-bit word holds a twelve-bit sequence with ones for each hole in that column. The console keyboard also generates twelve-bit patterns, just as if it were a card punch: this is called Hollerith code.