Compiling and Running a C Program on Ubuntu with GCC Compiler

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Questions and Answers

What is the purpose of the preprocessing phase in the compilation process?

  • To link all function calls with their definitions
  • To convert the source code into assembly-level instructions
  • To convert the source code into machine-level instructions
  • To include all necessary header files and perform textual substitution on the source code (correct)

What is the purpose of the assembling phase in the compilation process?

  • To include all necessary runtime code for the program to execute
  • To convert the preprocessed source code into an executable file
  • To link all function calls with their definitions
  • To convert the assembly-level instructions into machine-level instructions (correct)

What is the main purpose of the linking phase in the compilation process?

  • To add extra code required for the program's execution, such as setting up the environment
  • To link all function calls with their definitions (correct)
  • To include all necessary header files and perform textual substitution on the source code
  • To convert the assembly-level instructions into machine-level instructions

What is the purpose of the $size filename.o and $size filename commands in the compilation process?

<p>To compare the size of the object file (filename.o) and the final executable file (C)</p> Signup and view all the answers

What is the purpose of the $vi filename.i command in the compilation process?

<p>To view the preprocessed source code (D)</p> Signup and view all the answers

What is the purpose of the $nano filename.s command in the compilation process?

<p>To view the assembly-level instructions (A)</p> Signup and view all the answers

Which of the following is NOT a phase in the compilation process of a C program?

<p>Debugging (D)</p> Signup and view all the answers

What is the purpose of the preprocessor phase in the compilation process?

<p>To remove comments and expand macros (A)</p> Signup and view all the answers

Which command is used to compile a C program named program.c using the GCC compiler?

<p><code>gcc program.c -o program</code> (D)</p> Signup and view all the answers

What is the purpose of the linker phase in the compilation process?

<p>To combine object files and resolve external references (C)</p> Signup and view all the answers

Which command can be used to generate intermediate files during the compilation process?

<p><code>gcc -save-temps program.c</code> (C)</p> Signup and view all the answers

What is the purpose of the assembler phase in the compilation process?

<p>To convert the source code into assembly code (A)</p> Signup and view all the answers

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