BSc CSIT (TU) Science Digital Logic (BSc CSIT, CSC116) Question Paper 2075
This is the official BSc CSIT (TU) (Science stream) Digital Logic (BSc CSIT, CSC116) question paper for 2075, as set in the regular annual examination. It carries 60 full marks and a time allowance of 180 minutes, across 12 questions. On Kekkei you can attempt this Digital Logic (BSc CSIT, CSC116) past paper online with a timer, get instant AI feedback and step-by-step solutions, and track the topics where you lose marks — completely free. Whether you are revising for your BSc CSIT (TU) Digital Logic (BSc CSIT, CSC116) exam or solving previous years' question papers, this 2075 paper is a great way to practise under real exam conditions.
Section A: Long Answer Questions
Attempt any TWO questions.
Explain different types of number systems. Convert (2AF.C)16 into decimal, binary and octal.
Simplify the following Boolean function using the K-map method and implement using NAND gates: F(A,B,C,D) = Sum(0,1,2,4,5,6,8,9,12,13,14).
Design a synchronous mod-8 up counter using JK flip-flops. Draw the circuit and timing diagram.
Section B: Short Answer Questions
Attempt any EIGHT questions.
Explain 1's complement and 2's complement representations.
State the postulates of Boolean algebra.
Explain the working of a 1-to-4 demultiplexer.
What is an encoder? Explain a priority encoder.
Differentiate between SOP and POS forms.
Explain the working of a JK flip-flop and the race-around condition.
What is a magnitude comparator? Explain a 1-bit comparator.
Explain the difference between latch and flip-flop.
Write short notes on tri-state logic.