aFINALTERM EXAMINATION
Fall 2009
CS301- Data Structures
Question No: 1 ( Marks: 1 ) - Please choose one
The arguments passed to a function should match in number, type and order with the parameters in the function definition.
► True
► False
Question No: 2 ( Marks: 1 ) - Please choose one
If numbers 5, 222, 4, 48 are inserted in a queue, which one will be removed first?
► 48
► 4
► 222
► 5
Question No: 3 ( Marks: 1 ) - Please choose one
Suppose currentNode refers to a node in a linked list (using the Node class with member variables called data and nextNode). What statement changes currentNode so that it refers to the next node?
► currentNode ++;
► currentNode = nextNode;
► currentNode += nextNode;
► currentNode = currentNode->nextNode;
Question No: 4 ( Marks: 1 ) - Please choose one
A Compound Data Structure is the data structure which can have multiple data items of same type or of different types. Which of the following can be considered compound data structure?
► Arrays
► LinkLists
► Binary Search Trees
► All of the given options
Question No: 5 ( Marks: 1 ) - Please choose one
Here is a small function definition:
void f(int i, int &k)
{
i = 1;
k = 2;
}
Suppose that a main program has two integer variables x and y, which are given the value 0. Then the main program calls f(x,y); What are the values of x and y after the function f finishes?
► Both x and y are still 0.
► x is now 1, but y is still 0.
► x is still 0, but y is now 2.
► x is now 1, and y is now 2.
Question No: 6 ( Marks: 1 ) - Please choose one
The difference between a binary tree and a binary search tree is that ,
► a binary search tree has two children per node whereas a binary tree can have none, one, or two children per node
► in binary search tree nodes are inserted based on the values they contain
► in binary tree nodes are inserted based on the values they contain
► none of these
Question No: 7 ( Marks: 1 ) - Please choose one
Compiler uses which one of the following to evaluate a mathematical equation,
► Binary Tree
► Binary Search Tree
► Parse Tree
► AVL Tree
Question No: 8 ( Marks: 1 ) - Please choose one
If there are 56 internal nodes in a binary tree then how many external nodes this binary tree will have?
► 54
► 55
► 56
► 57
Question No: 9 ( Marks: 1 ) - Please choose one
If there are 23 external nodes in a binary tree then what will be the no. of internal nodes in this binary tree?
► 23
► 24
► 21
► 22
Question No: 10 ( Marks: 1 ) - Please choose one
Which of the following method is helpful in creating the heap at once?
► insert
► add
► update
► preculateDown
Question No: 11 ( Marks: 1 ) - Please choose one
The definition of Transitivity property is
► For all element x member of S, x R x
► For all elements x and y, x R y if and only if y R x
► For all elements x, y and z, if x R y and y R z then x R z
► For all elements w, x, y and z, if x R y and w R z then x R z
Question No: 12 http://allvupastpapers.blogspot.com.com ( Marks: 1 ) - Please choose one
A binary tree of N nodes has _______.
► Log10 N levels
► Log2 N levels
► N / 2 levels
► N x 2 levels
Question No: 13 ( Marks: 1 ) - Please choose one
If there are N elements in an array then the number of maximum steps needed to find an element using Binary Search is _______ . ► N
► N2
► Nlog2N
► log2N
Question No: 14 ( Marks: 1 ) - Please choose one
Consider te following array
23 15 5 12 40 10 7
After the first pass of a particular algorithm, the array looks like
15 5 12 23 10 7 40
Name the algorithm used
► Heap sort
► Selection sort
► Insertion sort
► Bubble sort
Question No: 15 ( Marks: 1 ) - Please choose one
If both pointers of the node in a binary tree are NULL then it will be a/an _______ .
► Inner node
► Leaf node
► Root node
► None of the given options
Question No: 16 ( Marks: 1 ) - Please choose one
By using __________we avoid the recursive method of traversing a Tree, which makes use of stacks and consumes a lot of memory and time.
► Binary tree only
► Threaded binary tree
► Heap data structure
► Huffman encoding
Question No: 17 ( Marks: 1 ) - Please choose one
A complete binary tree of height 3 has between ________ nodes.
► 8 to 14
► 8 to 15
► 8 to 16
► 8 to 17
Question No: 18 ( Marks: 1 ) - Please choose one
Consider a min heap, represented by the following array:
3,4,6,7,5,10
After inserting a node with value 1.Which of the following is the updated min heap?
► 3,4,6,7,5,10,1
► 3,4,6,7,5,1,10
► 3,4,1,5,7,10,6
► 1,4,3,5,7,10,6
Question No: 19 ( Marks: 1 ) - Please choose one
Consider a min heap, represented by the following array:
10,30,20,70,40,50,80,60
After inserting a node with value 31.Which of the following is the updated min heap?
► 10,30,20,31,40,50,80,60,70
► 10,30,20,70,40,50,80,60,31
► 10,31,20,30,40,50,80,60,31
► 31,10,30,20,70,40,50,80,60
Question No: 20 ( Marks: 1 ) - Please choose one
Which one of the following algorithms is most widely used due to its good average time,
► Bubble Sort
► Insertion Sort
► Quick Sort
► Merge Sort
Question No: 21 ( Marks: 1 ) - Please choose one
Which of the following statement is correct about find(x) operation:
► A find(x) on element x is performed by returning exactly the same node that is found.
► A find(x) on element x is performed by returning the root of the tree containing x.
► A find(x) on element x is performed by returning the whole tree itself containing x.
► A find(x) on element x is performed by returning TRUE.
Question No: 22 ( Marks: 1 ) - Please choose one
Which of the following statement is NOT correct about find operation:
► It is not a requirement that a find operation returns any specific name, just that finds on two elements return the same answer if and only if they are in the same set.
► One idea might be to use a tree to represent each set, since each element in a tree has the same root, thus the root can be used to name the set.
► Initially each set contains one element.
► Initially each set contains one element and it does not make sense to make a tree of one node only.
Question No: 23 ( Marks: 1 ) - Please choose one
The following are statements related to queues.
(i) The last item to be added to a queue is the first item to be removed
(ii) A queue is a structure in which both ends are not used
(iii) The last element hasn’t to wait until all elements preceding it on the queue are removed
(iv)A queue is said to be a last-in-first-out list or LIFO data structure.
Which of the above is/are related to normal queues?
► (iii) and (ii) only
► (i), (ii) and (iv) only
► (ii) and (iv) only
► None of the given options
Question No: 24 ( Marks: 1 ) - Please choose one
The maximum number of external nodes (leaves) for a binary tree of height H is _________
► 2H
► 2H +1
► 2H -1
► 2H +2
Question No: 25 ( Marks: 1 ) - Please choose one
In complete binary tree the bottom level is filled from ________
► Left to right
► Right to left
► Not filled at all
► None of the given options
Question No: 26 ( Marks: 1 ) - Please choose one
We are given N items to build a heap , this can be done with _____ successive inserts.
► N-1
► N
► N+1
► N^2
Question No: 27 ( Marks: 1 ) - Please choose one
Suppose we had a hash table whose hash function is “n % 12”, if the number 35 is already in the hash table, which of the following numbers would cause a collision?
► 144
► 145
► 143
► 148
Question No: 28 ( Marks: 1 ) - Please choose one
Here is an array of ten integers:
5 3 8 9 1 7 0 2 6 4
The array after the FIRST iteration of the large loop in a selection sort (sorting from smallest to largest).
► 0 3 8 9 1 7 5 2 6 4
► 2 6 4 0 3 8 9 1 7 5
► 2 6 4 9 1 7 0 3 8 5
► 0 3 8 2 6 4 9 1 7 5
Question No: 29 ( Marks: 1 ) - Please choose one
What requirement is placed on an array, so that binary search may be used to locate an entry?
► The array elements must form a heap.
► The array must have at least 2 entries.
► The array must be sorted.
► The array’s size must be a power of two.
Question No: 30 ( Marks: 1 ) - Please choose one
In case of deleting a node from AVL tree, rotation could be prolong to the root node.
► Yes
► No
By : ADEEL ABBAS
www.allvupastpapers.blogspot.com
AdeelAbbasbk@gmail.com
No comments:
Post a Comment
PLEASE COMMENT ABOUT YOUR VISIT AND MY SITE
Note: Only a member of this blog may post a comment.