Array Declaration and Usage
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Questions and Answers

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

  • The extra values are ignored
  • The extra values are automatically initialized to 0
  • It results in a compilation error (correct)
  • The program crashes

If only partial array initialization is done in C, what are the uninitialized elements automatically initialized to?

  • Zeros (correct)
  • Garbage values
  • Random values
  • Previous value in the array

When initializing an array without specifying its size in C, how is the size of the array determined?

  • Size is set to 0
  • Size is set to the number of initial values specified (correct)
  • Size is set to 10 by default
  • Size is set based on the array declaration

What happens when a string is used for initializing an array in C?

<p>The size of the array is always 1 byte more than the length of the string (D)</p> Signup and view all the answers

In C, what will happen if you try to initialize an array with more elements than its specified size?

<p>Compilation error will occur (D)</p> Signup and view all the answers

When initializing an array without specifying its size in C, how does the compiler handle memory allocation?

<p>Allocates memory based on declared variable type (C)</p> Signup and view all the answers

When partially initializing an array, why does C fill in zeros for remaining elements?

<p>To maintain data integrity (A)</p> Signup and view all the answers

What is an array?

<p>An ordered set of similar data items (A)</p> Signup and view all the answers

How are the data items stored in an array?

<p>In consecutive memory locations (B)</p> Signup and view all the answers

Why is the size of an array specified during declaration?

<p>To allocate and reserve memory locations (D)</p> Signup and view all the answers

What is the range of an array with n elements?

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

How can arrays be initialized at compile time?

<p>Initializing all different memory locations (D)</p> Signup and view all the answers

What is the syntax for declaring an array?

<p>[data_type array_name[n]; (C)</p> Signup and view all the answers

What is required before using an array in a program?

<p><code>declaration</code> of the array (A)</p> Signup and view all the answers

How can array elements be accessed?

<p><code>data_type[array_name]</code> notation (B)</p> Signup and view all the answers

What can be initialized in arrays at the time of declaration?

<p><code>int</code>, <code>char</code>, and other data items (A)</p> Signup and view all the answers

'Initialization without size' refers to what in arrays?

<p>'Assigning all elements with default values' (C)</p> Signup and view all the answers

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