1. How many 8:1 multiplexers would be required to make a fully functional single-bit full adder circuit? What would the select lines and inputs be set to?

2. What is the function of a decoder?

3. What is the difference between a tri-state buffer and an open collector buffer?

Problem 4: (6 pts)_Answer the following questions in complete sentences with clear explanations and/or diagrams to explain your answer: i. How many 8:1 multiplexers would be required to make a fully functional single-bit full adder circuit? What would the select lines and inputs be set to? i What is the function of a decoder? iii.What is the difference between a tri-state buffer and an open collector buffer