Aaron Tan explains how things work, but you need practice. Use the PDF as your while solving problems from:

But what is this document? Why has it become a cult classic in university labs and online forums? And is it the right resource for your studies in logic gates, flip-flops, and Verilog?

Before diving into the PDF, it is crucial to understand the source. Aaron Tan is widely recognized as an educator and lecturer, most notably associated with the and the School of Computing (SoC) .