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C Programming
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C Programming

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Questions and Answers

What is the difference between a character array and a string in C?

  • A character array is stored in contiguous memory locations, while a string is not.
  • A character array can only store single characters, while a string can store multiple characters.
  • A character array doesn't have a null character at the end, while a string does. (correct)
  • A character array is mutable, while a string is immutable.
  • How are string literal values represented in C?

  • As sequences of characters between backticks.
  • As sequences of characters between parentheses.
  • As sequences of characters between single quotes.
  • As sequences of characters between double quotes. (correct)
  • What happens when the compiler encounters a sequence of characters enclosed in double quotes in C?

  • It appends a null character at the end by default. (correct)
  • It removes the double quotes and stores the characters as an array.
  • It converts the characters to ASCII values.
  • It throws a syntax error.
  • How is an empty string represented in C?

    <p>As a pair of double quotes with nothing in between.</p> Signup and view all the answers

    What is the storage difference between a character 'H' and a string "H" in C?

    <p>The character 'H' is stored in 1 byte, while the string &quot;H&quot; is stored in 2 bytes.</p> Signup and view all the answers

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