2023 question paper
DIGITAL ELECTRONICS
17 questions
Q1a. Convert the decimal number 108.25 to its binary equivalent.20232m
Module 1: Fundamentals and Logic Families
View this question on its own page →Convert the decimal number 108.25 to its binary equivalent.
Q1b. Draw the truth table of JK flip-flop.20232m
Module 3: Sequential Circuits
View this question on its own page →Draw the truth table of JK flip-flop.
Q1c. Draw the truth table and logic circuit of a half-adder.20232m
Module 2: Combinational Circuits
View this question on its own page →Draw the truth table and logic circuit of a half-adder.
Q1d. Write the difference between combinational and sequential circuits.20232m
Module 2: Combinational Circuits
View this question on its own page →Write the difference between combinational and sequential circuits.
Q1e. Draw the timing diagram of SR flip-flop.20232m
Module 3: Sequential Circuits
View this question on its own page →Draw the timing diagram of SR flip-flop.
Q1f. Find 2's complement of 1011011.20232m
Module 1: Fundamentals and Logic Families
View this question on its own page →Find 2's complement of 1011011.
Q1g. Number of 2:1 multiplexers required to design a 256:1 multiplexer.20232m
Module 2: Combinational Circuits
View this question on its own page →Number of 2:1 multiplexers required to design a 256:1 multiplexer.
Q1h. Add hexadecimal numbers 2ABC and 78F2.20232m
Module 1: Fundamentals and Logic Families
View this question on its own page →Add hexadecimal numbers 2ABC and 78F2.
Q1j. What is the use of a K-map?20232m
Module 1: Fundamentals and Logic Families
View this question on its own page →What is the use of a K-map?
Q2a. Implement the function: F(A, B, C) = \Sigma m(0,1,2,3,7)20237m
Q2b. Realize XNOR logic function using NAND gates only.20237m
Module 1: Fundamentals and Logic Families
View this question on its own page →Realize XNOR logic function using NAND gates only.
Q3. Simplify: Y = ABC + AB'C + A'BC202314m
Q4. Design a logic circuit with inputs A, B, C, D and output Y, where Y = 1 when A and B are both high, and C and D are either both low or both high.202314m
Module 2: Combinational Circuits
View this question on its own page →Design a logic circuit with inputs A, B, C, D and output Y, where Y = 1 when A and B are both high, and C and D are either both low or both high.
Q5. Explain clocked SR flip-flop with the help of a master–slave flip-flop.202314m
Module 3: Sequential Circuits
View this question on its own page →Explain clocked SR flip-flop with the help of a master–slave flip-flop.
Q7. Summarize the design procedure for a synchronous sequential circuit.202314m
Module 3: Sequential Circuits
View this question on its own page →Summarize the design procedure for a synchronous sequential circuit.
Q8a. Explain the working of a ladder DAC with diagram.20237m
Module 4: A/D and D/A Converters
View this question on its own page →Explain the working of a ladder DAC with diagram.
Q8b. Design a 3-bit binary counter using T flip-flops.20237m
Module 3: Sequential Circuits
View this question on its own page →Design a 3-bit binary counter using T flip-flops.