资料来源 : Free On-Line Dictionary of Computing

Branch on Chip Box Full
     
         (BCBF) A mythical {IBM 1130} instruction whose action
        depended on the contents of the {chip box}.  This was one of a
        long list of fake {assembly language} instructions that went
        around {Indiana University} in the 1970s.
     
        (1997-02-12)