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Question 1 2 3 4 5 6 7 8 9 10 Total

Marks

Question 11 12

Marks

Question No: 1 ( Marks: 2 ) - Please choose one

The order of precedence in multiplication,. addition & subtraction is

.

highest to highest

.

highest to lowest

.

lowest to lowest

.

Lowest to highest

Question No: 2 ( Marks: 2 ) - Please choose one

the *preorder *method in B tree is called for the

.

right node

.

left node

.

both nodes

.

none of the above

Question No: 3 ( Marks: 2 ) - Please choose one

Consider the following tree and four (04) statements.

(i) The above tree is a binary search tree.

(ii) The above tree is a AVL tree.

(iii) The above tree is a Heap.

(iv) The above tree is a Binary tree.

.

(i) and (iii) only

.

(i) only

.

(i) and (ii) only

.

(i) and (iv) only

Question No: 4 ( Marks: 2 ) - Please choose one

Which of the following statement is correct in relation to AVL trees?

.

If three nodes lie in a straight line, a double rotation is needed to restore the balance.

.

If three nodes lie in a straight line, a single rotation is needed to restore the balance.

.

If three nodes lie in a dog-leg pattern (that is, there is a bend in the path), you need

to perform a single rotation to restore the balance.

.

If three nodes lie in a dog-leg pattern (that is, there is a bend in the path), you need

to perform a single rotation twice to restore the balance.

Question No: 5 ( Marks: 2 ) - Please choose one

Which of the following is a more complete recursive definition(s) for a tree?

.

A tree consists of left and right sub-trees.

.

A tree consists of left and right sub-trees and value of the right child node is higher with

respect

the root and less than left child.

.

(i)An Empty structure is an empty tree.

(ii)If t1,t2,t3,……..tk are disjoint trees, then the structure whose root has as its children the

roots of t1,t2…….tk is also a tree.

(iii)Only structures generated by rules (i) and (ii) are trees.

.

A tree consists of left and right sub-trees and value of the right child node is smaller with

respect the root and higher than left child.

Question No: 6 ( Marks: 2 ) - Please choose one

A tree with such a property that items in the left sub-tree are smaller than the root and

items in the right sub-tree are larger than the root is called a

.

AVL tree

.

BST

.

Graph

. Circular queue

Question No: 7 ( Marks: 2 ) - Please choose one

If one fixed the violation property of the above AVL tree, what would be the resulting tree?

.

a

.

b

.

c

.

d

Question No: 8 ( Marks: 6 )

Consider the following expression tree representation. Give the step by step inorder traversing

Question No: 9 ( Marks: 5 )

Convert following infix expression to postfix and show the conversion process.

A . B * C – D + E/F

Question No: 10 ( Marks: 5 )

void order(TreeNode

{

if( treeNode != NULL )

{

order(treeNode->getLeft());

cout << *(treeNode->getInfo())<<" ";

order(treeNode->getRight());

}

}

Describes the code with respect to traversing.

Question No: 11 ( Marks: 10 )

Briefly describes the (ADT) with examples?

Question No: 12 ( Marks: 10 )

What is cost of a search & describe it with example in tree data structure?

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Vuhelps

Contact vuhelps@gmail.com

Regards

Vuhelps

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