SDA Class 10

The size of an array that signifies the number of elements it can store is given using ........... brackets.

• 1. { }

• 2. [ ]

• 2. ( )

• 2. All of these

Given array int x[] = {11, 22, 33, 44}; the value of x[1] is ........... .

• 22

• 11

• 33

• Invalid Value

Given array int x[] = {11, 22, 33, 44}; the value of x[1+2] is ........... .

• 1. 11

• 33

• 44

• 22

If int arr[] = {3, 5, 7, 9}; what is the value of arr.length?

• 3

• 5

• 2. Cannot be determined

• 4

Given array int z[] = {15, 16, 17}; It will occupy ........... bytes in memory.

• 64

• 24

• 2. 12

• 3

A linear search ...........

• 1. can be used with both sorted and unsorted arrays

• 1. can be used with sorted arrays only

• 1. can be used with unsorted arrays only

• 1. cannot be used with arrays

A binary search________________

• 1. cannot be used with arrays

• 1. can be used with both sorted and unsorted arrays

• 1. can be used with unsorted arrays only

• 1. can be used with sorted arrays only

Which of the following statements is true?

• 1. Binary search is less efficient than the linear search.

• 1. Binary search is more efficient than the sequential search.

• 1. Binary search is as efficient as the sequential search.

• 1. Binary search is less efficient than the sequential search.

In ........... search, the algorithm uses the middle value of the array for the search operation.

• 1. Selection

• 1. Binary

• 1. Linear

• 1. Bubble

Which element is num[9] of the array num?

• 1. 10th

• 1. 9th

• 1. 11th

• 1. 8th