The inorder and preorder traversal of a binary tree are d b e a f c g and a b d e c f g, respectively. The postorder traversal of the binary tree is:
(A) d e b f g c a (B) e d b g f c a (C) e d b f g c a (D) d e f g b c a
What is common in three different types of traversals (Inorder, Preorder and Postorder)?
(A) Root is visited before right subtree (B) Left subtree is always visited before right subtree (C) Root is visited after left subtree (D) All of the above (E) None of the above
Which of the following traversal outputs the data in sorted order in a BST?
(A) Preorder (B) Inorder (C) Postorder (D) Level order
What is the worst case time complexity for search, insert and delete operations in a general Binary Search Tree?
(A) O(n) for all (B) O(Logn) for all (C) O(Logn) for search and insert, and O(n) for delete (D) O(Logn) for search, and O(n) for insert and delete
In order to get the information stored in a Binary Search Tree in the descending order, one should traverse it in which of the following order?
(A) left, root, right (B) root, left, right (C) right, root, left (D) right, left, root
A BST is traversed in the following order recursively: Right, root, leftThe output sequence will be in
(A) Ascending order (B) Descending order (C) Both sequence (D) No specific order
Which indicates pre-order traversal?
A. Left sub-tree, Right sub-tree and root B. Right sub-tree, Left sub-tree and root C. Root, Left sub-tree, Right sub-tree D. Right sub-tree, root, Left sub-tree
A binary tree whose every node has either zero or two children is called …….
A. complete binary tree B. binary search tree C. extended binary tree D. data structure
Sequential representation of binary tree uses ……..
A. Array with pointers B. Single linear array C. Two dimensional arrays D. Three dimensional arrays
A connected graph T without any cycles is called a ……..
A. A tree graph B. Free tree C. A tree d D. All of the above
In Binary trees nodes with no successor are called _________ .
A. End nodes B. Terminal nodes C. Final nodes D. Last nodes
In circular linked list, insertion of node requires modification of?
a) One pointer b) Two pointer c) Three pointer d) None
A variant of the linked list in which none of the node contains NULL pointer is?
a) Singly linked list b) Doubly linked list c) Circular linked list d) None
A normal queue, if implemented using an array of size MAX_SIZE, gets full when
a) Rear=MAX_SIZE-1 b) Front=(rear+1)mod MAX_SIZE c) Front=rear+1 d) Rear=front
In linked list implementation of a queue, front and rear pointers are tracked. Which of these pointers will change during an insertion into a NONEMPTY queue?
a) Only front pointer b) Only rear pointer c) Both front and rear pointer d) None of the front and rear pointer
A data structure in which elements can be inserted or deleted at/from both the ends but not in the middle is?
a) Queue b) Circular queue c) Dequeue d) Priority queue