Just need the answers

Logic Design B. 17. What is the Boolean algebra expression for a 3-bit XOR gate with inputs A, B, and C? A. A.B.C+A.B.C+.B.C A.B.C+A.B.C+ABC C. A.B.C+A.B.C+AB.C D. A.B.C+ B. C+.B.C+AB.C O E. None of the above 18. As we have learned, NAND gates can be used to create an equivalent circuit for any logical expression: What is the NAND gate equivalent of a 2-bit OR Gate with inputs A, B? A. A NAND B B. (A NAND A) NAND B C. A NAND (B NAND A) D. (A NAND A) NAND (B NAND B) 19. You wish to make a 3-bit "parity checker, which outputs a 1 if the total number of input l's is odd. Which equation(s) do this? Select all that apply. (Note that is the XOR operator). . B9C B. (A+B)(B+C)(A+C) OC. ABC + ABC + BAC+CAB O D. (A+B+C)(A+B+C) 20. What is the unsimplified Product of Sums boolean expression that represents the following truth table? A B Out Out 0 0 1 0 0 0 0 0 1 1 1 0 1 0 1 1 1 0 0 0 1 1 1 1 1 O A. (A+B+C). (A+B+C).(A+B+C) B. (A.B.C)+(A.B.C)+(A.B.C)+(A.B.C)+(A.B.C) O c. (A+B+C).(A+B+C). (A+B+C) O D. (A+B+C). (A+B+C).A+B+C) O E. (A.B.C)+(A.B.C)+(ABC) 21. Your team needs to make a logic circuit that compares three 3-bit numbers, and outputs l if and only if two of those numbers are identical. Your teammate proposes making a truth table for each possible combination of inputs. How many rows would be in this table? A. 256 rows B. C. 6 rows D. 27 rows E. 512 rows 0 0 9 rows OOOOO 22. What is the Sum of Products solution for the following truth table? A 0 B 0 0 0 0 0 1 1 1 1 0 1 0 1 0 1 1 0 Out 1 0 1 0 0 1 0 1 0 1 1 0 1 1 A. (+B+C) (A+B+C) - (A+B+C)(A+B+C) B. B.C+:B:C+A:B.T+A:B.T C. A.B.C+ABC+.B.C+ABC D. B.C+.B.C+A-B-C+A: B.IC E. (A+B+C) (A+B+C). (+B+C)(A+B+C) 23. T/F: These circuit diagrams are logically equivalent. A B A B Do B A D D B B B A. False B. True 24. T/F: These circuit diagrams are logically equivalent. B A Do A. True B. False 25. T/F: These circuit diagrams are logically equivalent. A B B Z O A OB. False True The next two questions refer to the following logic circuit: 26. Given the schematic, which of the following expressions represents the output u? O A. x+y+z O B. xz+y+z O c. x+yz +2 OD. x+y+yz 27. Given the schematic, which of the following expressions represents the output v? A. None of the other answers B. (x+y) yz C. (x+y)+ yz D. xyz +xz E. x+y+yz OOOOO