# Logic Function and Boolean Algebra HSEB, NEB Old Questions

## Long Answer Questions

- 2076: What is Boolean algebra? Describe AND and NAND gates with logic symbol, truth table and Venn diagram.[4+6]
- 2075: Describe AND, OR, NOR gate with truth table, symbols and algebraic expressions.[10]
- 2075: Describe any 5 logic gates with truth table and gate symbol.[10]
- 2074: Describe AND, OR, NOR and XNOR gate with truth table, symbols and Venn diagram..[10]
- 2074: Describe AND, OR, NOR and NOT gate with truth table, symbols and Venn diagram.[10]
- 2074: Explain any 4 logic gates with truth table, symbol and Venn diagram.[10]
- 2073: What is logic gate? Describe AND, OR, NOR logic gate with truth table, gate symbol and Boolean expression.[2+8]
- 2073: What is Boolean logic? Describe AND, OR, NOR logic gate with truth table and logic symbols.[2+8]
- 2073:Describe Boolean algebra. Explain AND, OR, NAND and XOR gate with truth table and logic data.[2+8]
- 2072, 2071,2070: Describe any 5 logic gates with truth table and gate symbol.[10]
- 2072: What is logic gate? Explain the types of gates with truth table.[10]
- 2071: Define logic gate. Explain the types of gates with truth table.[2+8]
- 2071: Define logic gate. Explain the types of gates with truth table.[2+8]
- 2070: Explain the types of gates with truth table.[10]
- 2070: Define logic gate. Explain the types of gates with truth table and gate symbol.[2+8]
- 2069: What is Boolean algebra? Describe AND gate, OR gate, and Not Gate and NAND gate with gate symbol and truth table.[2+8]

## Short Answer Questions

- 2076, 2073: Describe the De Morgan’s Law.[5]
- 2076: What is Associative law? Explain OR gate with truth table and logic symbol.[5]
- 2075: What is truth table? Explain AND gate with truth table and logic symbol.[5]
- 2074: Explain different types of bus architecture.[5]
- 2074: State and prove De Morgan’s theorem.[5]
- 2072: Give the truth table and logical symbols of AND, OR, and NOT gates of Boolean algebra.[5]
- 2069: Differentiate between NAND and NOR gate with truth table.[5]
- 2068: What is Boolean algebra? Differentiate between NAND and NOR gate with truth table.[5]
- 2067: What are the computer gates? Differentiate between NAND and NOR gate with truth table.[5]
- 2066: What are the logic gates? Explain the NAND gate with table.[5]
- 2065: What are logic gates? Differentiate between NAND and NOR gate with truth table.[5]
- 2064: Construct the truth table of XOR and XNOR operations of Boolean algebra.[5]
- 2063: What is NOR gate and construct its truth table.[5]
- Define a NOR gate and draw its logic symbol.[5]
- 2061: Construct truth table for NAND operation.[5]
- 2060: Write the truth table for NOR operation of Boolean algebra.[5]
- 2059: Write the truth table of NAND operation of Boolean algebra.[5]
- 2058: Construct the truth table of the AND and OR operation of Boolean algebra.[5]
- 2057: Define Boolean function. Construct truth table for AND operation of Boolean Algebra.[5]

**Write short notes on:**

- 2075: De Morgan’s Law