i. (X’+Y’) A. Low-pass filter function ii. (X’Y’) B. Sum iii. (XY) C. NAND D. Carry E.NOR

• A. i-C, ii-E, iii-D
• B. i-C, ii-E, iii-B
• C. i-C, ii-B, iii-D
• D. i-C, ii-E, iii-A