1) Use a Karnaugh map to reduce each expression to a minimum SOP form: a) ABCD+ABCD+ABCD+ABCD b) AB(CD+CD)+AB(CD+CD)+ABCD c) (AB+AB)(CD+CD) d) AB+AB+CD+CD e) A+BC+CD a) b) c) d) (Hint: Each Output needs its own k-map) 2) You have designed a system that requires each of the following inputs and outputs. Draw a the minimum circuit to implement the each specification: b) c) d) (Hint: Each Output needs its own k-map)