For realisation of JK flip-flop from SR flip-flop, the input J and K will be given as ___________(a) External inputs to S and R(b) Internal inputs to S and R(c) External inputs to combinational circuit(d) Internal inputs to combinational circuitThe question was asked in an online interview.My question comes from Realisation of one Flip-flop using other Flip-flops in division Flip-Flops of Digital Circuits

For realisation of JK flip-flop from SR flip-flop, the input J and K w

1.	For realisation of JK flip-flop from SR flip-flop, the input J and K will be given as ___________(a) External inputs to S and R(b) Internal inputs to S and R(c) External inputs to combinational circuit(d) Internal inputs to combinational circuitThe question was asked in an online interview.My question comes from Realisation of one Flip-flop using other Flip-flops in division Flip-Flops of Digital Circuits
Answer» Correct answer is (a) EXTERNAL INPUTS to S and R The explanation is: If a JK Flip Flop is required, the inputs are GIVEN to the combinational circuit and the output of the combinational circuit is connected to the inputs of the actual flip flop. So, J and K will be given as external inputs to S and R. As SR flip-flop have invalid state and JK flip-flop don’t.

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