1. 1. The picturesque name 'flip-flop' originates from electronic engineering. A bi-stable multivibrator, orflip-flopis a simple device used in all types of digital data-processing systems. It must change rapidly from one state to the other and the state value (0 or 1) must be clearly evident. SeeRalph J. Smith , Circuits, Devices and Systems , New York, Wiley, 1968 , p.462 .
2. 2. ACAS , 1984 Annual Report, p.39 .