The IBM Series/1, introduced in 1976, is a 16-bit minicomputer used for factory control,

 The IBM Series/1, introduced in 1976, is a 16-bit minicomputer used for factory control, military communications, and office terminal processing. It runs real-time operating systems and supports programming in Assembly, COBOL, and more. Known for its robustness and expandability, it remains in use in some sectors even today.