Tribhuvan University
Bachelor of Information Technology Management
Semester 2 · TU Board 2024
Course Title: Digital Logic (IT233)
Full Marks: 60Pass Marks: 30Time: 3 Hrs
Candidates are required to give their answers in their own words as for as practicable.
Group A
Brief Answer Questions(10 × 1 = 10)
- 1.1
What is BCD code?
- 2.1
Define Decoder.
- 3.1
Mention any two differences between combinational and sequential circuit.
Answer comingAlso asked in 2023
- 4.1
What is triggering of a Flip-flop?
Answer comingAlso asked in 2024, 2023
- 5.1
Define counter.
- 6.1
What is the use of k-map?
Answer comingAlso asked in 2023
- 7.1
Convert (1010)₂ to gray code.
Answer comingAlso asked in 2023
- 8.1
What is shift Register?
Answer comingAlso asked in 2023
- 9.1
Define canonical form.
- 10.1
What is clock pulse?
Group B
Short Answer Questions: (Attempt any FIVE Questions)(5 × 3 = 15)
- 11.3
Convert (101011.1101)₂ to Octal and Hexadecimal form.
- 12.3
Realize the property of NOR gate and NOT gate using NAND gate.
Answer comingAlso asked in 2023
- 13.3
Find the value of (279)₁₀ + (799)₁₀ by converting it to BCD data.
- 14.3
Design half adder using NAND gates.
- 15.3
Illustrate and explain basic Flip-Flop.
- 16.3
Design a 3-bit Asynchronous counter.
Answer comingAlso asked in 2024, 2023, Model question
Group C
Long Answer Questions: (Attempt any THREE Questions)(3 × 5 = 15)
- 17.5
Illustrate and explain JK Flip-Flop.
Answer comingAlso asked in 2024, 2023
- 18.5
Design 1 × 4 De-multiplexer.
View answerAlso asked in 2023, Model question
- 19.5
Design MOD-7 synchronous counter.
Answer comingAlso asked in 2024, 2023, Model question
- 20.5
Minimize the following Boolean function: f(P, R, S, Q) = Σ(0, 2, 3, 7, 8, 10, 13, 15) and draw circuit diagram using only NOR gates.
Group D
Comprehensive Answer / Case / Situation Analysis Questions(2 × 10 = 20)
- 21.10
Design a four bit parallel In/shift right/serial out shift register. Also illustrate how binary data (1011)₂ is load and retrieved in your design circuit.
- 22.10
If the content of Register A is (1011)₂ and Register B is (1101)₂. Design a combinational circuit for adding the content of these two register.
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