Data Structure Multiple choice question SET-3

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Data Structure

A data structure is a specialized format for organizing, processing, retrieving and storing data. There are several basic and advanced types of data structures, all designed to arrange data to suit a specific purpose. Data structures make it easy for users to access and work with the data they need in appropriate ways.


Q.41 Preorder is as same as:-

ANSWER= (A) Depth-first order


Q.42 Which of the following traversal techniques lists the nodes of binary search tree in ascending order? :-

ANSWER= (B)In-order


Q.43 Merge short uses:-

ANSWER= (A) Divide and conquer strategy


Q.44 The goto statement transfers the control to:

ANSWER= (C) A label


Q.45 Which of the following known as a finite collection of homogeneous elements?

ANSWER= (B) Array


Q.46 ADT stands for

ANSWER= (B) Abstract Data Type


Q.47 The address of which of these nodes will contain the next pointer of the last node of a circular linked list

ANSWER= (A) First node


Q.48 Removing an element from the stack is known as operation



Q.49 The condition Top=N-1 indicates that (Where N represent size of stack)

ANSWER= (A) Stack is empty


Q.50 Assuming int is of 4 bytes, what is the size of int arr[15];

ANSWER= (B) 60


Q.51 Which data structure is used for implementing recursion

ANSWER= (A) Stack


Q.52 The data structure required for Breadth First Traversal on a graph is ?

ANSWER= (B) Queue


Q.53 What is the coplexity of searching for a particular element in a singly linked list ?

ANSWER= (B) 0(1)


Q.54 What is the worst case complexity of Quick Sort ?

ANSWER= (B) 0(n2)


Q.55 Any node is the path from the root to the node is called

ANSWER= (A) Ancestor node


Q.56 Which of the following data structure store the homogeneous data elements?

ANSWER= (C) Records


Q.57 Operations on a data structure may be ?

ANSWER= (D) All of these


Q.58 The property of binary tree is ?

ANSWER= (A) The right subtree can be empty


Q.59 A variable P is called pointer if

ANSWER= (A) P contains the address of an element in Data


Q.60 Which data structure is used in breadth first search of a graph to hold nodes?

ANSWER= (A) Queue

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