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Questions and Answers
What is the purpose of the 'printf' function in C programming?
What is the purpose of the 'printf' function in C programming?
- To declare a variable
- To print formatted output to the standard output (usually the console) (correct)
- To read input from the user
- To store the result of a mathematical operation
What is the primary purpose of a header file in C programming?
What is the primary purpose of a header file in C programming?
- To define the main function of the program
- To declare functions and macros for use in multiple source files (correct)
- To handle exceptions and errors in the program
- To specify the input and output for the program
What is a variable in C?
What is a variable in C?
A container that stores values temporarily.
How do you declare a variable in C?
How do you declare a variable in C?
In C programming, what does the 'sizeof' operator do?
In C programming, what does the 'sizeof' operator do?
What are some primitive data types supported in C?
What are some primitive data types supported in C?
What is the purpose of initializing a variable in C?
What is the purpose of initializing a variable in C?
How do you define a boolean variable in C?
How do you define a boolean variable in C?
What are the naming rules for variables in C?
What are the naming rules for variables in C?
Explain the concept of variable scope in C.
Explain the concept of variable scope in C.
What are the three categories of variable lifetime in C?
What are the three categories of variable lifetime in C?
Why is initializing a variable important in C programming?
Why is initializing a variable important in C programming?
How can you convert a variable from one type to another in C?
How can you convert a variable from one type to another in C?