Question:
What are the minimum number of gates required to implement Half adder if we have to use only two input NOR gates?
What are the minimum number of gates required to implement Half adder if we have to use only two input NOR gates?
Show Hint
Realize basic gates like XOR and AND using universal gates like NOR/NAND to count the total.
Updated On: May 26, 2025
- Two
- Three
- Four
- Five
Hide Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Half adder requires one XOR (for sum) and one AND (for carry). Using only NOR gates, XOR and AND can be constructed. XOR using NOR takes 4 gates, AND takes 1 more with NOR logic. Total: 5 NOR gates.
Was this answer helpful?
0
0
Top Questions on Digital Logic
- In a 4-bit ripple carry adder, the worst-case delay occurs when _______.
- Which of these flip-flops cannot be used to construct a serial shift register?
- The output of a JK flip-flop for inputs \( J=1, K=1 \) and clock transition from 1 to 0 is _______.
- Assuming 5-bit addition is done on registers, the sum \( 12 + 7 \) leads to _______.
- To get an output value $ 1 $ from the given circuit, the input values of $ A $, $ B $, and $ C $ are:
- AP EAPCET - 2025
- Physics
- Digital Logic
View More Questions
Questions Asked in TS PGECET exam
- A bag contains 3 red and 2 blue balls. Two balls are drawn without replacement. What is the probability that both are red?
- TS PGECET - 2025
- Probability
- Which of the following techniques is primarily used for the synthesis of carbon nanotubes?
- TS PGECET - 2025
- Strength of Materials
- In which year was the Earth Summit (Rio Conference) held?
- TS PGECET - 2025
- Environmental pollution
- The term "carrying capacity" refers to:
- TS PGECET - 2025
- Sustainable Development
- Which of the following is an example of non-point source pollution?
- TS PGECET - 2025
- Environmental pollution
View More Questions