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Total No. of Pages : 02
Total No. of Questions : 07
B.Sc.(IT) (2015 & Onward) (Sem.-2)
DIGITAL CIRCUITS & LOGIC DESIGNS
Subject Code : BSIT-204
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M.Code: 72727
Time: 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains SIX questions carrying TEN marks each and students have to attempt any FOUR questions.
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SECTION-A
- Answer briefly :
- When will be NAND gate output low? Write complete table.
- What is the Binary equivalent of the decimal number 368?
- What is the Decimal Equivalent of Hex number 1A53?
- Convert (9B2 - 1A) H to its decimal equivalent.
- What is difference between latch and flip-flop?
- What is a Multiplexer?
- Given the two binary numbers X=1010100 and Y=1000011, perform the subtraction X-Y, Y-X using l's complement.
- State the commutative property of Boolean algebra.
- Prove that ABC + ABC' + AB'C + A'BC = AB + AC + BC
- State the limitations of Karnaugh Map.
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- What is a Logic gate? Give the classification of logic families. Which gates are called as the universal gates? What are its advantages?
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- Explain about Boolean expression. Simplify the Boolean expression F = C(B + C)(A + B + C).
- Explain SOP and POS forms in detail.
- What is K-map? Simplify the following expression into sum of products using Karnaugh map F(A,B,C,D) = Σ (1,3,4,5, 6, 7, 9, 12, 13).
- Explain Flip Flop. Show how a JK flip-flop can be constructed using a T flip-flop and other logic gates.
- What is a Counter? What is the difference between Asynchronous counter and Synchronous counter?
- What is the working of multiplexer and demultiplexer? What are their applications and advantages?
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NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
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This download link is referred from the post: PTU B.Sc FD (Fashion Design)Last 10 Years 2010-2020 Previous Question Papers