C Programming Functions
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Questions and Answers

What is the purpose of using functions in C?

  • To define variables and constants
  • To handle exceptions and errors
  • To create loops and conditional statements
  • To modularize code and make it easier to read, write, and maintain (correct)

    • Which type of function is printf()?

  • Library function (correct)
  • User-defined function
  • Recursive function
  • Static function

    • What does the gets() function do?

  • Reads formatted input from the console
  • Rounds a number down to the nearest integer
  • Writes a line of output to the console
  • Reads a line of input from the console (correct)

    • What does the ceil() function do?

    <p>Rounds a number up to the nearest integer</p> Signup and view all the answers

    Which type of function can be created by the programmer?

    <p>User-defined function</p> Signup and view all the answers

    What is the purpose of user-defined functions?

    <p>To modularize code and make it easier to read, write, and maintain</p> Signup and view all the answers

    What does the add_two_numbers() function do?

    <p>Performs mathematical addition on two numbers</p> Signup and view all the answers

    What can library functions be used for?

    <p>$\text{Performing input and output operations}$</p> Signup and view all the answers

    What distinguishes user-defined functions from library functions?

    <p>User-defined functions are created by the programmer.</p> Signup and view all the answers

    What is the purpose of modularizing code using functions in C?

    <p>To make it easier to read, write, and maintain</p> Signup and view all the answers

    Which type of function is scanf()?

    <p>Library function</p> Signup and view all the answers

    What distinguishes user-defined functions from library functions in C?

    <p>User-defined functions perform specific tasks needed in a particular program</p> Signup and view all the answers

    What does the function ceil() do in C?

    <p>Rounds a number up to the nearest integer</p> Signup and view all the answers

    What is the main benefit of using library functions in C?

    <p>They can save time and effort by performing common tasks</p> Signup and view all the answers

    What does the function gets() do in C?

    <p>Reads a line of input from the console</p> Signup and view all the answers

    Which type of function is add_two_numbers() as per the provided example?

    <p>User-defined function</p> Signup and view all the answers

    What can user-defined functions be used for in C?

    <p>To perform a variety of tasks like input and output</p> Signup and view all the answers

    What distinguishes user-defined functions from library functions?

    <p>Library functions are predefined in the C standard library.</p> Signup and view all the answers

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