Arrays in Programming
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Questions and Answers

What happens when the number of values initialized is more than the size of an array in C?

  • Memory locations are reserved, and the extra values are ignored
  • An error is generated during compilation (correct)
  • Compiler automatically initializes all elements to zero
  • Array size is automatically adjusted to accommodate all the values
  • When an array is partially initialized with fewer values than its size, what are the remaining elements initialized to?

  • Automatically to zero by the compiler (correct)
  • Random values from memory
  • Compiler-dependent default values
  • Values specified in the initialization
  • What happens if an array is initialized with only one element as 0 in C?

  • All elements are initialized to zero (correct)
  • Memory location for the single element is allocated
  • All other elements are initialized to 1
  • Compiler throws an error
  • In C, what occurs when declaring an array without specifying its size but providing initial values?

    <p>Compiler sets the array size to the number of initial values provided</p> Signup and view all the answers

    What is the size of an array initialized with a string in C?

    <p>String length plus 1 for null character</p> Signup and view all the answers

    Which method is recommended for initializing large arrays in C?

    <p><code>scanf</code> for user input initialization</p> Signup and view all the answers

    How do arrays behave when explicitly initialized at run time in C?

    <p><code>scanf</code> reads user input into the array elements</p> Signup and view all the answers

    When initializing an array using a string in C, what character marks the end of the string?

    <p><code>\0</code> character</p> Signup and view all the answers

    What value are uninitialized elements of an array set to by default in C?

    <p><code>0</code></p> Signup and view all the answers

    In C, what does initializing an array with one element as 0 and others unspecified result in?

    <p><code>0</code> as all elements of the array</p> Signup and view all the answers

    What is an array?

    <p>A set of similar data items stored in consecutive memory locations</p> Signup and view all the answers

    When must an array be declared?

    <p>Before using it in the program</p> Signup and view all the answers

    What does the size specified during array declaration inform the compiler about?

    <p>The amount of memory locations to reserve</p> Signup and view all the answers

    In arrays, what is the general form for initialization at compile time?

    <p>type array-name[size]={ list of values};</p> Signup and view all the answers

    Can array elements be initialized without specifying the size?

    <p>No, size must always be specified</p> Signup and view all the answers

    What is the range of an array with 'n' elements?

    <p>(0 to n-1)</p> Signup and view all the answers

    Arrays can be initialized at the time of declaration when:

    <p>Their initial values are known in advance</p> Signup and view all the answers

    'Partial array initialization' refers to initializing:

    <p>Only some elements of the array</p> Signup and view all the answers

    'String initialization' is a way to initialize arrays using:

    <p>'string' literals</p> Signup and view all the answers

    'Run Time Initialization' for arrays occurs:

    <p>When input is not known beforehand</p> Signup and view all the answers

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