Compiler Review

What is the first phase of a compiler?

• Lexical Analysis

• Code Generation

• Syntax Analysis

• Semantic Analysis

Which phase of the compiler is responsible for checking the syntax of the source code?

• Syntax Analysis

• Semantic Analysis

• Lexical Analysis

• Optimization Phase

What does the Semantic Analysis phase of a compiler do?

• Generates machine code directly

• Translates the code into assembly language

• Checks syntax, structure, and semantics of the code.

• Optimizes the code for better performance

Which phase of the compiler is responsible for translating the intermediate code to machine code?

• Syntax Analysis

• Semantic Analysis

• Code Generation

• Lexical Analysis

What is the purpose of Code Optimization in a compiler?

• To introduce bugs in the compiled code

• To improve the efficiency of the generated code.

• To slow down the compilation process

• To increase the size of the generated code

How does a compiler handle syntax errors in the source code?

• The compiler crashes and shuts down when encountering syntax errors

• The compiler automatically corrects syntax errors without any notification

• The compiler stops the compilation process and displays an error message indicating the location and type of syntax error.

• The compiler ignores syntax errors and proceeds with the compilation process

What is the main function of a compiler?

• Create new programming languages

• Debug software applications

• Optimize computer performance

• Translate source code into machine code

What is a token in the context of lexical analysis?

• A token is a software program that analyzes the syntax of the source code.

• A token is a categorized group of characters that represent a unit of meaning in the source code.

• A token is a tool used to format the source code for readability.

• A token is a type of cryptocurrency used for transactions in source code.

What is the role of a parser in the syntax analysis phase?

• To analyze the input code based on grammar rules and create a parse tree or abstract syntax tree.

• To optimize the code for better performance

• To execute the code line by line

• To generate machine code directly

What is the difference between static and dynamic semantics in a programming language?

• Static semantics are checked at compile time, while dynamic semantics are checked at runtime.

• Static semantics are only relevant for interpreted languages, while dynamic semantics are only relevant for compiled languages.

• Static semantics are checked at runtime, while dynamic semantics are checked at compile time.

• Static semantics are related to syntax errors, while dynamic semantics are related to logical errors.