So what I've learned in the past is the operators have made an error ( in Mark II) and when that happened that's when the term bug came!
Time-study analysis
Computer-controlled robotics,
GPS device,
assembly lines
In 1870, Hiram Revels of Mississippi became the first African American senator. Five years later, Blanche K. Bruce of Mississippi took the oath of office. It would be nearly another century, 1967, before Edward Brooke of Massachusetts followed in their historic footsteps.
