Important Questions [10]
- Draw the logic gate diagram for 2-input OR gate using NAND gates only. Show the expression at each Step.
- Draw the logic circuit for a 4 :1 multiplexer and explain its working.
- Draw the logic gate diagram for the reduced expression. Assume that the variables and their complements are available as inputs.
- When a sequence of OR, NOT, NOR are connected in series, the logic gate obtained is ______.
- Differentiate between half adder and full adder. Write the Boolean expression and draw the logic circuit diagram for the SUM and CARRY of a full adder.
- Draw the logic gate diagram for the reduced expression. Assume that the variables and their complements are available as inputs.
- Draw the logic circuit for 3:8 decoder (Octal decoder). Which multiplexer can be derived from the Octal decoder?
- Idempotence Law states that ______:
- What is an encoder?
- How is Encoder different from a decoder?
Concepts [2]
- Elementary Logic Gates (NOT, AND, OR, NAND, NOR, XOR, XNOR) and Their Use in Circuits
- Applications of Boolean Algebra and Logic Gates to Half Adders, Full Adders, Encoders, Decoders, Multiplexers, NAND, NOR as Universal Gates
