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

What is an array?

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

When must an array be declared?

<p>Before using it in the program (C)</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 (C)</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}; (D)</p> Signup and view all the answers

Can array elements be initialized without specifying the size?

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

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

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

'Partial array initialization' refers to initializing:

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

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

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

'Run Time Initialization' for arrays occurs:

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

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