digital logic design

Hello, I am a bit hesistant to ask for help and im sorry, but I have a final project due soon and i have to build an attendance system but I'm struggling a bit and I'm cramped on time due to previous exams and projects, In it I can only use IC Chips and no microcontrollers It has 4 switches...

I have an exam in digital logic design this week, the thing is ive always been passionate about this topic even learning about it before taking this course, but for personal reasons i havent managed to study this semester at all, now my tuition is at stake if i dont pass this exam, and I have no...