Podcast
Questions and Answers
What is the purpose of declaring an array before using it in a program?
What is the purpose of declaring an array before using it in a program?
- To ensure the elements are of the same data type
- To reserve memory locations for the array elements (correct)
- To allocate memory locations for the array in a non-consecutive manner
- To specify the range of the array elements
In C/C++ programming, what is the correct syntax for declaring an array with 'n' elements?
In C/C++ programming, what is the correct syntax for declaring an array with 'n' elements?
- data_type n array_name[];
- n array_type array_name[];
- array_name[data_type n];
- array_type array_name[n]; (correct)
What is the range of an array with 'n' elements?
What is the range of an array with 'n' elements?
- 1 to n
- 0 to n
- 0 to (n-1) (correct)
- 1 to (n-1)
How can array elements be initialized at compile time?
How can array elements be initialized at compile time?
What is required during declaration of an array?
What is required during declaration of an array?
'An array must be declared before it is used' - Why is this statement true?
'An array must be declared before it is used' - Why is this statement true?
'Arrays can be initialized at the time of declaration when their initial values are known in advance' - What does this statement imply?
'Arrays can be initialized at the time of declaration when their initial values are known in advance' - What does this statement imply?
'0 to (n-1) is the range of array' - What does this range indicate?
'0 to (n-1) is the range of array' - What does this range indicate?
'Arrays are stored in consecutive memory locations in RAM' - Why is this arrangement beneficial?
'Arrays are stored in consecutive memory locations in RAM' - Why is this arrangement beneficial?
'Declaration of an array is similar to declaring ordinary variables' - Why is this comparison made?
'Declaration of an array is similar to declaring ordinary variables' - Why is this comparison made?
What happens when the number of values to be initialized in an array is greater than the size of the array in C?
What happens when the number of values to be initialized in an array is greater than the size of the array in C?
When initializing an array with fewer values than its size, what does the compiler do in C?
When initializing an array with fewer values than its size, what does the compiler do in C?
In C, what happens when an array is initialized with all zeros?
In C, what happens when an array is initialized with all zeros?
What is the result of initializing an array without specifying its size in C?
What is the result of initializing an array without specifying its size in C?
What is the significance of a null character when initializing an array with a string in C?
What is the significance of a null character when initializing an array with a string in C?
What happens when an attempt is made to initialize a char variable with a string directly in C?
What happens when an attempt is made to initialize a char variable with a string directly in C?
How can large arrays be initialized at runtime in C?
How can large arrays be initialized at runtime in C?
What happens when 'scanf' is used to initialize an array at runtime in C?
What happens when 'scanf' is used to initialize an array at runtime in C?
In partial array initialization in C, what value are uninitialized memory locations set to?
In partial array initialization in C, what value are uninitialized memory locations set to?
How does C handle partial array initialization when the number of values is less than the array size?
How does C handle partial array initialization when the number of values is less than the array size?
What is the outcome of attempting partial initialization of an array in C with excess values compared to its size?
What is the outcome of attempting partial initialization of an array in C with excess values compared to its size?