Learn how JK flip flop works as a universal flip flop with two inputs and two outputs. Find out how to avoid the race-around condition and use master-slave JK flip flop for reliable data storage and transfer. J - K latches refer to level-triggered J - K flip - flops , distinguishing them from edge-triggered J - K flip - flops . Level-triggered devices are termed latches, while their edge-triggered counterparts are called flip - flops . Understanding the functionality, characteristic equation of JK Flip Flop , its operating modes and JK flip flop truth table is crucial for designing and implementing complex digital systems, contributing to the advancement of modern electronics. Master Slave JK Flip Flop is a combination of two JK flip flops which are connected in the cascaded manner as shown in Figure-1. In this combination of two JK flip flop , one acts as a master flip flop and the other acts as a slave flip flop .