Digital Circuits Week 5 Nptel Assignment Answers (July-Dec 2024)
Q1.Which logic gate is commonly used in the design of equality detection in a binary comparator? A) AND gate B) OR gate C) XNOR gate D) NOT gate
Answer: C) XNOR gate
Q2. Consider a 1-bit binary comparator with inputs A and B. The comparator has three outputs: A=B, A>B. and A<B. Which of the following Boolean expressions correctly represents the output for | ASB? A) AB B) AB C) AXORB D) AB
These are Digital Circuits Week 5 Nptel Assignment Answers
Q3.How many output lines does a 3-to-8 decoder have? A) 3 B) 4 C) 8 D) 16
Answer: C) 8
Q4 ‘Which of the following statement is TRUE?
A) A and B represent Sum and Carry of Half adder respectively B) A and B represent Sum and Carry of full Adder respectively C) A and B represent Carry and Sum of Full adder respectively D) A and B represent Carry and Sum of half adder respectively
Answer: C) A and B represent Carry and Sum of Full adder respectively
These are Digital Circuits Week 5 Nptel Assignment Answers
Q7. Calculate BINARY equivalent of the GRAY code G3 G2 G1 Go=0010? A) B3B2B1Bo=1110 B) B3B2B1Bo=1100 C) B3B2B1Bo=0011 D) B3BaB1Bo=0010
Answer: C) B3B2B1Bo=0011
Q8. What is the primary function of a decoder in digital circuits? A) To store data B) To encode data c) To convert binary information from ‘n’ input lines to a maximum of 2″ unique outputs D) To perform arithmetic operations
Answer: c) To convert binary information from ‘n’ input lines to a maximum of 2″ unique outputs
These are Digital Circuits Week 5 Nptel Assignment Answers
Q9. How does a priority encoder resolve conflicts when multiple inputs are active? A) It sums all inputs together B) It encodes the input with the lowest binary value c) It encodes the input with the highest priority D) It randomly selects an input to encode
Answer: c) It encodes the input with the highest priority
Q10.‘What 1s the output Y for given 2X1 multiplexer?
