image taken from https://en.wikipedia.org/wiki/Seven-segment_display

Reference:

Week #1 Set Theory
Week #2 Logic Operation
Week #3 Axiom of Boolean Algebra
Week #4 Karnaugh Map
Week #5 Mc Cluskey Method (tentative)
Week #6-7 Binary Number System
Week #9-10 Combinational Logic
Week #11 Instability
Week #12 Flip-Flop
Week #13-14 Finite State Machine