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) (A)</p> Signup and view all the answers

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

<p>Initialization when the program is compiled (B)</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 (D)</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 (B)</p> Signup and view all the answers

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

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

When must the size of an array be specified?

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

Which aspect is crucial for efficient manipulation of array elements?

<p>Indexing capability (C)</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 (B)</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 (D)</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 (C)</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 (C)</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 (B)</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 (D)</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 (A)</p> Signup and view all the answers

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