Convert the decimal number 42 to binary, octal, and hexadecimal.
[3 marks]Write the Gray Code sequence for the numbers 0 to 7 in binary.
[4 marks]Convert the binary number 11011011 to Gray Code, Excess-3, and hexadecimal.
[7 marks]State and prove De Morgan's Theorem.
[3 marks]Simplify the Boolean expression AB+A’Busing Boolean laws.
[4 marks]Design a 4-to-1 Multiplexer using basic gates. Explain its working with a truth table and provide its Boolean expression.
[7 marks]Explain a 3-to-8 Decoder circuit with its truth table and applications.
[7 marks]What is the difference between synchronous and asynchronous counters?
[3 marks]Explain the working of a 3-bit asynchronous (ripple) counter. Draw its circuit diagram and truth table.
[4 marks]Describe the design and operation of a Serial In/Serial Out (SISO) and Serial In/Parallel Out (SIPO) shift register. Draw circuit diagrams and timing diagrams to illustrate the differences.
[7 marks]Describe the difference between a shift register and a counter.
[3 marks]Describe the timing delay issue in asynchronous counters and explain why it occurs.
[4 marks]Explain the working of a J-Kflip-flop with a circuit diagram, truth table, and timing diagram. Discuss how it handles the race condition.
[7 marks]Explain the key features of TTL (Transistor-Transistor Logic).
[3 marks]Describe the basic circuit of RTL (Resistor-Transistor Logic) and discuss its main application.
[4 marks]Discuss the performance characteristics of digital logic families.
[7 marks]Define an intrinsic semiconductor and give one example.
[3 marks]Describe how a diode behaves in forward bias and reverse bias conditions.
[4 marks]Explain the impact of doping on the energy levels of semiconductors.
[7 marks]What is a clipper circuit? Give one practical example of its use.
[3 marks]What is the purpose of a choke-input filter? Explain how it affects the output voltage ripple.
[4 marks]Compare half-wave, full-wave center-tapped, and bridge rectifiers in terms of efficiency, PIV, ripple frequency, and transformer requirements.1
[7 marks]Explain the concept of a load line in a transistor circuit.
[3 marks]Describe the process of reading a transistor data sheet and list at least three important parameters.
[4 marks]Discuss the process of accurately analyzing a Voltage-Divider Bias circuit.
[7 marks]