Convert the decimal number 163 to its equivalent binary, octal and hexadecimal forms.
What do you mean by universal gates, and which gates are universal? Convert NAND gate to OR gate. Convert NOR gate to AND gate.
Analyze the conditions for a 'Don't Care' term in K-map simplification and simplify the expression F(W,X,Y,Z)=∑m(1,3,7,11,15) with Don't Care d(W,X,Y,Z)=∑d(0,2,5).
Distinguish between synchronous and asynchronous (ripple) counters based on their clocking mechanism.
Analyze the state transition diagram for a Johnson (twisted ring) counter and explain its counting sequence for 4 flip-flops.
Define the term 'ring counter' and briefly explain how it differs from a Johnson counter.
Compare the weighted resistor D/A converter with the R-2R ladder D/A converter based on complexity, accuracy and ease of expansion.
Evaluate the advantages and disadvantages of the dual slope A/D converter compared to the Successive Approximation A/D converter
Describe the operation of a Successive Approximation A/D (SAR) converter and state its main specification regarding conversion time.
Justify the use of an R-2R ladder network over a weighted resistor network for high- resolution D/A converters. Evaluate the advantages and disadvantages of the both.
Design a simple combinational logic function F(A,B,C)=∑m(0,1,2,5,7) and implement it using a Programmable Logic Array (PLA), clearly showing the internal connections.
Implement the logic function F(X,Y,Z)=∑m(1,2,4,7) using a ROM as a PLD, showing the memory organization.
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Official Gujarat Technological University (GTU) examination paper and step-by-step solutions for Digital Fundamentals (DF) (Summer 2026, B.E. · Computer Engineering, Sem 3). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
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