Arrays in Programming
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Questions and Answers

What is a key characteristic of an array?

  • Random access to elements (correct)
  • Stored in non-consecutive memory locations
  • Items of different data types
  • Unordered set of data items
  • When should an array be declared?

  • Before it is used in the program (correct)
  • After it is used in the program
  • At any point during program execution
  • Only when its size is determined
  • What does the syntax 'data_type array_name[n];' indicate?

  • Specifying array element data type only
  • Deallocating array memory
  • Initialization of array elements
  • Specifying array size and data type (correct)
  • Which range of indices is valid for an array of size 'n'?

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

    What does 'Compile Time Initialization' refer to in arrays?

    <p>Initialization when the program is compiled</p> Signup and view all the answers

    Which type of initialization allows elements of an array to be set with known values during declaration?

    <p>Initializing all specified memory locations</p> Signup and view all the answers

    What happens if the index provided to access an array element is outside the valid range?

    <p>'Out of bounds' error occurs</p> Signup and view all the answers

    In arrays, what allows for easy modification and retrieval of elements?

    <p>'Indexing' capability</p> Signup and view all the answers

    When must the size of an array be specified?

    <p>'At Compile Time'</p> Signup and view all the answers

    Which aspect is crucial for efficient manipulation of array elements?

    <p>Indexing capability</p> Signup and view all the answers

    What happens when there are more initial values provided for an array than the array size during initialization in C language?

    <p>The compiler throws an error</p> Signup and view all the answers

    In C language, what occurs if the number of values to be initialized is less than the size of the array during partial array initialization?

    <p>Remaining elements are initialized to 0 automatically</p> Signup and view all the answers

    What is the default initialization for the elements of an array when it is initialized with all zeros in C?

    <p>All elements are set to 0</p> Signup and view all the answers

    When initializing an array in C without specifying the size explicitly, how does the compiler determine the array size?

    <p>Using the total number of initial values specified</p> Signup and view all the answers

    What happens when initializing an array with a string in C?

    <p>String length decides the array size</p> Signup and view all the answers

    How can an array be explicitly initialized at run time in C?

    <p><code>scanf</code> function reads input from the keyboard</p> Signup and view all the answers

    If an array declaration contains more initial values than its specified size, what action does C compiler take?

    <p>Throw compilation error</p> Signup and view all the answers

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