Which of the following information is typically stored in a symbol table?

• A) Name and value of variables
• B) Execution order of functions
• C) Assembly instructions
• D) Source code comments

What does the symbol table use to uniquely identify each symbol?

• A) Location
• B) Scope
• C) Type
• D) Name

YACC was originally developed at:

• A) IBM Research
• B) Google Research
• C) AT&T Bell Laboratories
• D) Microsoft Research

Three-address code is designed to minimize memory usage by using short representations for operations and addresses.

• A) False
• B) True
• C)
• D)

What purpose does the topological sort serve in the dynamic method of attribute grammar evaluation?

• A) It builds the dependence graph.
• B) It defines the order of attribute evaluation.
• C) It constructs the parse tree.
• D) It ensures the absence of circular dependencies.

What is the primary advantage of using three-address code as an intermediate representation (IR)?

• A) It ensures that each instruction has a maximum of three arguments.
• B) It reduces the number of instructions required for complex operations.
• C) It enables efficient memory management in the compiled code.
• D) It simplifies the process of debugging the compiled code.

Which section in a YACC specification file contains the "c/c++ functions"?

• A) Third Section
• B) Fourth Section
• C) First Section
• D) Second Section

How are the nodes in the dependency graph evaluated in the rule-based methodology of attribute grammar evaluation?

• A) In a bottom-up order
• B) In a random order
• C) In a topological order
• D) In an order specified by the attribute rules

Code optimization is essential to enhance the execution and efficiency of a source code.

• A) False
• B) True
• C)
• D)

In attribute grammars, each symbol in the derivation has a set of values or attributes.

• A) True
• B) False
• C)
• D)

YACC-generated parsers are based on which formal notation?

• A) Abstract Syntax Trees
• B) Backus Naur Form
• C) Regular Expressions
• D) Chomsky Hierarchy

In attribute grammars, rules and parse tree define an attribute dependence ____________ which must be acyclic.

• A) Stack
• B) List
• C) Table
• D) Graph

How does the symbol table help in detecting undefined symbols?

• A) By checking if symbols are declared before they are used
• B) By performing lexical analysis of the source code
• C) By identifying symbols with missing type information
• D) By associating symbols with their memory locations

Different compilers always use the same intermediate representation (IR) during the compilation process.

• A) False
• B) True
• C)
• D)