flipflops

Somehow the 7448 ic outputs are not changing even though the inputs are changing. The inputs are from a jk flipflop counter and im having trouble displaying the output of it in a 7 segment display. It's just stuck to the output 9 or 0. Help.

Design a binary to gray code converter using t flip flops.

Hi, I need help with writing a state table of 7 segment with 4-bit input A,B, C "Present state", and x "Input".

Hi everyone, I have a confusion regarding edge-triggered flipflops. In the diagram attached below, I'm confused what to take the value of J and K as input since it is changing at the very edge of the area 3. If we are considering negative-edge triggering, will we take J and K as 0 or as 1? If...