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Tribhuvan university CSIT 2065 Syllabus Digital Logic Old Questions 2070

Digital Logic - Old Questions

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Syllabus Notes Old Questions Unit Wise Questions Question Bank

4. Design a half adder logic using only NAND gates.

5 marks
Asked in 2070

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Soln:

Input variables: A & B,       Output variables: sumand carry


Logic diagram of half adder using NAND gates only: