Explain the following terms in context of digital ICs: Threshold voltage, Propagation delay, Noise Margin, Power dissipation, Fan in, Fan out, Speed power products.
[7 marks]Differentiate between Binary code and Gray code representation.
[3 marks]Simplify the given Boolean expression F = xy’z’ + yz + xz’ and draw the final circuit using basic logic gates.
[4 marks]Simplify the Boolean function F(A,B,C,D) = Σm (0,1,6,7,8,9,13,14,15) using the Quine–McCluskey (Tabulation) method and draw its logic circuit.
[7 marks]Differentiate between Demultiplexer and Decoder.
[3 marks]Explain the SOP and POS representations of Boolean expressions with suitable examples.
[4 marks]Simplify the following Boolean function using K-map and implement it using NAND gates: F(A,B,C,D)= Σm(0,1, 3, 4, 7, 9, 11) + d (8, 10, 15).
[7 marks]Differentiate between combinational circuit and sequential circuit. Also list the possible applications of it.
[4 marks]Describe the Look-Ahead Carry Adder unit.
[3 marks]Implement the following Boolean functions with a 8 x 1 multiplexer. F (w, x, y, z) = Σ (1, 3, 4, 5, 12, 13, 15)
[4 marks]Explain the Dflip flop with its characteristics table and excitation table.
[7 marks]Define Race Around Condition in JK flip flop.
[3 marks]Explain the 2-bit magnitude comparator with a suitable combinational circuit diagram.
[7 marks]Compare the Synchronous and Asynchronous counters.
[4 marks]Describe how Dflip-flop is converted into Tflip-flop. Page 1 of
[2 marks]Differentiate between registers and counters based on their structure and functionality.
[4 marks]Design mod-5 synchronous counter using JK flip flop.
[7 marks]Define clock triggering mechanism for sequential circuit.
[3 marks]Write a brief note on 4-bit parallel in, serial out shift register with its block diagram.
[7 marks]Explain the working principles of Programmable Logic Devices (PROM, PLA, and PAL) with suitable comparisons. Page 2 of
[2 marks]Describe the Content addressable memory.
[3 marks]Acombinational logic circuit is defined by the functions: F1= Ʃ (0,1,2,4) and F2= Ʃ (0, 5, 6,7). Implement the circuit with a PLA having three inputs, four product terms and two outputs.
[7 marks]Explain the following terms for memory: Data line, Address line, Control line
[3 marks]Implement the following Boolean expressions using a PROM. f1 (a, b, c) = ∑ m (0, 2, 3, 5, 6) f2 (a, b, c) = ∑ m (1, 2, 4, 7)
[4 marks]Explain the internal representation of 2k x 8 ROM chip.
[4 marks]