Referring to Table 3.1, in the prohibited state both outputs are 1. This condition is not used on the RS flip-flop. The set condition means setting the output Q to 1. Likewise, the reset condition means resetting (clearing) the output Q to 0. The last row shows the disabled, or hold, condition of the RS flip-flop. The outputs remain as they were before the hold condition existed. There is no change in the outputs from the previous states, i.e. the flip-flop memorizes the previous condition.