BSc IT Sem I 2022 2023 2023 DIGITAL LOGIC AND APPLICATION Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 All questions are compulsory
2. Q2 All questions carry equal marks
3. Q1 Attempt the following (Any three) 15 marks
   • a. Convert the following
   • (ii) (?)i0 What are the different types of codes used in digital systems? Explain any two
   • c. Construct AND, OR and NOT gates using NOR gate
   • d. Write a short note on basic gates
   • e. Perform the binary subtraction using 2’s complement method
   • (ii) (62)10
   • f. Solve the following
   • (ii) (11010111)2 =
4. Q2 Attempt the following (Any three) 15 marks
   • a. Explain any two postulates of Boolean algebra
   • b. Define Duality theorem and give example
   • c. Express the following Boolean expression on the K-map:
   • d. Simplify using K-map and realize it using minimum number of gates:
   • e. Simplify using K-map and realize it using minimum number of gates
   • f. State and explain Demorgan ‘s theorems
5. Q3 Attempt the following (Any three) 15 marks
   • c. Draw circuit and explain working of Half Adder
   • d. Design the Full Subtractor using K-map. Draw the circuit diagram for the same
   • e. What is Demultiplexer? Explain 1:2 Demultiplexer
   • f. Draw and explain Full adder 4, Attempt the following (Any three) (15 Marks)
   • a. Draw and explain Serial-In-Serial-Out shift Register
   • b. Draw and explain Asynchronous Counter
   • c. Draw and explain Parallel-In-Parallel-Out shift Register
   • d. Write a short note on S-R Latch
   • e. How T flip-flop can be used to work as SR flip-flop? Explain
   • f. Explain applications of flip flops VCD/ 29 \) 22 FYIT SEMI DIGITAL LOGIC& APPLICATIONS 2!2 HRS 75 marks
6. Q5 Attempt the following (Any three) 15 marks
   • a. How does an Arithmetic-Logic Unit work’?
   • b. Draw and explain 4 bit Parallel Adder using look ahead carry generator
   • c. Solve the following
   • d. Write a short note on Booth’s Multiplication algorithm Solve the following Design a Look-ahead carry generator for 8-bits using IC 74182

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