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Array Operations and Searching

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Questions and Answers

What is an array in the context of Computer Programming?

A variable that stores a single value.

A fixed-size, unsequenced collection of elements of mixed data types.

A sequence of data items that are of the same type. (correct)

A sequence of data items that are of different types.

What is the significance of the size of an array?

It determines the number of elements in the array. (correct)

It determines the data type of the array.

It determines the data type of each element.

It determines the index of the first element.

What happens when an array is declared with too few elements?

Overflow error occurs.

Syntax error occurs.

Underflow error occurs. (correct)

Runtime error occurs.

What is the index of the first element in an array?

0 Signup and view all the answers

What is the initialization of the integer array X?

int X = {3, 1, 7, 2, 6, 9, 4, 8, 5, 10} Signup and view all the answers

How are elements in an array stored?

Contiguously Signup and view all the answers

What is the null character that terminates a character array?

/0 Signup and view all the answers

What is the formula to calculate the midpoint in a binary search algorithm?

MID = (R + L)/2 Signup and view all the answers

What is the index of the element 5 in the array X = {3, 1, 7, 2, 6, 9, 4, 8, 5, 10}?

4 Signup and view all the answers

What is the purpose of the sorting operation in an array?

To put the data in order either numerically or alphabetically Signup and view all the answers

Which of the following sorting algorithms is based on the divide and conquer technique?

Merge Sort Signup and view all the answers

What is the characteristic of the Shell Sort algorithm?

All of the above Signup and view all the answers

What is the primary benefit of the shell sort algorithm over insertion sort?

It avoids large shifts in the data Signup and view all the answers

What is the formula used to calculate the interval in shell sort?

h = h * 3 + 1 Signup and view all the answers

What is the main idea behind the quick sort algorithm?

Partitioning the array into smaller subarrays Signup and view all the answers

How do you declare a two-dimensional array in a programming language?

Using two pairs of square brackets Signup and view all the answers

What is the size of a two-dimensional array?

Row x column Signup and view all the answers

What is the error in the following declaration: int x={{2,4,6,8},{10,12,1,3,14},{5,7,9,11}};

The rows have different numbers of elements Signup and view all the answers