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AL-703 (A) · Compiler Design/Important Questions

Compiler Design (AL-703 (A)) - Important Questions

  1. Unit 37 Marks High Priority Asked: 2024, 2025

    What to do you mean by "Activation Record"? Define it using an appropriate example.

    Direct question from past papers and a core run-time environment topic; appears frequently in unit analytics.

  2. Unit 37 Marks High Priority Asked: 2024, 2025

    What is Symbol Table? Explain various Data Structures used for Symbol Table.

    Direct question from past papers; symbol table design and data structures are a recurring unit-3 topic.

  3. Unit 37 Marks Low Priority Asked: 2024

    Describe in detail about the Quadruple and Triples in Compiler Design.

    Direct extraction from Dec 2024 paper; important for intermediate-code representations and compiler back-ends.

  4. Unit 37 Marks Low Priority Asked: 2024

    Discuss the three-address code for the following code:

    Switch p+q { case 1: x=x+1 case 2: y=y+2 case 3: z=z+3 default: c=c-1 }

    Exact problem from Dec 2024 paper testing three-address code generation for switch/control-flow statements.

  5. Unit 37 Marks Low Priority Asked: 2025

    Discuss in detail about type conversion with a suitable example.

    Direct question from Jun 2025; core semantic-analysis topic dealing with implicit/explicit conversions.

  6. Unit 37 Marks Low Priority Asked: 2025

    Discuss in brief about polymorphic functions.

    Short-topic question from Jun 2025; relates to type systems and generic/parametric behavior.

  7. Unit 37 Marks Low Priority Asked: 2025

    Discuss in brief about backpatching using flow of control statements with suitable example.

    Direct from Jun 2025; targets code-generation technique for control-flow: backpatching.

  8. Unit 37 Marks Medium Priority Asked: 2025

    Explain the procedure to convert the following expression into a DAG: $$a * b + \frac{c}{\left( \frac{d}{e} \right)} * d$$

    Expression-to-DAG conversion question from Jun 2025; useful for common-subexpression elimination and optimization.

  9. Unit 37 Marks Low Priority Asked: 2025

    L-attributed definition

    Short note style prompt from Jun 2025; checks understanding of attribute grammars and left-to-right attribute evaluation.

  10. Unit 37 Marks Low Priority Asked: 2025

    Overloading of functions

    Short note style prompt from Jun 2025; tests understanding of function overloading semantics in compilation.

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