Podcast
Questions and Answers
What does the 'typedef' keyword allow us to do in C?
What does the 'typedef' keyword allow us to do in C?
- Create a new type from scratch
- Define a function
- Declare a variable
- Create a new name for an existing type (correct)
What is the significance of '&' in C when used with variables?
What is the significance of '&' in C when used with variables?
- Evaluates the size of a variable
- Returns the address of a variable (correct)
- Updates the value of a variable
- Evaluates the value of a variable
When declaring a pointer variable in C, what does the '*' symbol indicate?
When declaring a pointer variable in C, what does the '*' symbol indicate?
- It represents the size of the data it points to
- It indicates the end of the line
- It declares an array
- It denotes that the variable is a pointer (correct)
What does dereferencing a pointer mean in C?
What does dereferencing a pointer mean in C?
What does 'typedef double vector;' create in C?
What does 'typedef double vector;' create in C?
What happens when you assign the address of one pointer variable to another pointer variable in C?
What happens when you assign the address of one pointer variable to another pointer variable in C?
What primary purpose do types serve in C's type system?
What primary purpose do types serve in C's type system?
In C, what happens when dividing an integer variable by a decimal value?
In C, what happens when dividing an integer variable by a decimal value?
Which of the following is true about automatic type conversion in C?
Which of the following is true about automatic type conversion in C?
What happens when assigning a character to an integer variable in C?
What happens when assigning a character to an integer variable in C?
When working with pointers in C, what is essential to consider?
When working with pointers in C, what is essential to consider?
What is the purpose of using enums in C?
What is the purpose of using enums in C?
How are arrays indexed in C?
How are arrays indexed in C?
What is the purpose of a terminator in C strings?
What is the purpose of a terminator in C strings?
How are structs used in C?
How are structs used in C?
In C, how can we access fields within a struct?
In C, how can we access fields within a struct?
What is one consequence of not using terminators for strings in C?
What is one consequence of not using terminators for strings in C?
Why should we avoid passing structs to functions or returning them directly?
Why should we avoid passing structs to functions or returning them directly?
What does an enum represent in C?
What does an enum represent in C?
How does C represent strings?
How does C represent strings?
"int is_northwest(struct point p) { return (p.x > 0 && p.y > 0); }": What does this function check?
"int is_northwest(struct point p) { return (p.x > 0 && p.y > 0); }": What does this function check?
