Solved 1. Consider the negative edge triggered JK flip-flop | Chegg.com
JK Flip-flops
Flip-Flops and Latches - Northwestern Mechatronics Wiki
This happens to be a negative edge triggered JK flip flop. I used boolean algebra and found D = E' and E = D'. Given the propagation delay I thought this was
JK Flip-flop: Positive Edge Triggered and Negative Edge-Triggered Flip-Flop
Negative edge-triggered JK Flip Flop with CLR' and PRE' input. - YouTube
Flip-Flop Circuits Worksheet - Digital Circuits
Timing Diagram for A Negative Edge Triggered Flip Flop - YouTube
JK Flip-Flop Explained | Race Around Condition in JK Flip-Flop | JK Flip- Flop Truth Table, Excitation table and Timing Diagram - ALL ABOUT ELECTRONICS
JK Flip-flop: Positive Edge Triggered and Negative Edge-Triggered Flip-Flop