You can also see last year's first midterm. However, note that that midterm also covered chapter 7 (propositional logic), which will NOT be covered in the first midterm this year.
You can also see last year's second midterm. However, note that that midterm did not cover chapter 7 (propositional logic), and did cover chapters 13-14 In contrast, the second midterm this year WILL cover chapter 7, and will NOT cover chapters 13-14.