### **Unit I**  

1. **What is compilation process? Explain different phases of compiler with an example.** *(15 marks)*  

2. **Discuss the issues involved in designing Lexical analyzer and draw NFA for regular expression ab*/ab.** *(15 marks)*  

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### **Unit II**  

3. **Consider the following grammar:**  

   - E ? E+T | T  

   - T ? TF | F  

   - F ? F* | a | b  

   **Construct the SLR Parsing table for the above grammar.** *(15 marks)*  

4. (a) **Write an algorithm for Non-recursive predictive parsing.** *(7.5 marks)*  

   (b) **What is the role of parser in syntactic analysis?** *(7.5 marks)*  

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### **Unit III**  

5. **What is symbol table and different data structures used for organizing symbol tables?** *(15 marks)*  

6. **What is meant by syntax-directed translation? Explain the variants of syntax trees with a suitable example.** *(15 marks)*  

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### **Unit IV**  

7. **Write short notes on the following:** *(5 marks each)*  

   (a) **Reducible flow graphs**  

   (b) **Loop optimization**  

   (c) **Peephole optimization**  

8. **What is code generation? Discuss the issues related to code generation with examples.** *(15 marks)