To represent hierarchical relationship between elements, which data structure is suitable

• Priority

• Tree

• Dequeue

• All of the above

Which data structure allows deleting data elements from front and inserting at rear

• Queue

• Stack

• Binary search tree

• Dequeue

Which of the following is not a disadvantage to the usage of array

• Fixed size

• There are chances of wastage of memory space if elements inserted in an array are lesser than the allocated size

• Insertion based on position

• Accessing elements at specified positions

Elements in an array are accessed

• randomly

• sequentially

• exponentially

• logarithmically

How can you measure the efficiency of an the algorithm?

• Processor and memory

• Complexity and capacity

• Time and space

• Data and space

How can we measure the time factor when determining the efficiency of the algorithm

• Counting microseconds

•  

  Counting the number of key operations

• Counting the number of statements

• Counting the number of statements

The complexity theory does not contain the following case, which is

• Best Case

• Average Case

• Worst Case

• Null Case

What is the time complexity for inserting/deleting at the beginning of the array

• O(1)

• O(n)

• O(logn)

• O(nlogn)

What is the worst case time complexity of inserting an element into the sorted array

• O(nlogn)

• O(1)

• O(n)

• O(logn)

Which of the following statement(s) about stack data structure is/are NOT correct

• Linked List are used for implementing Stacks

• Top of the Stack always contain the new node

• Stack is the FIFO data structure

• Null link is present in the last node at the bottom of the stack