GTU BE 2020 Summer Question Papers || Gujarat Technological University
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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- III EXAMINATION - SUMMER 2020
Subject Code: 3130702 Date:27/10/2020
Subject Name: Data Structures
Time: 02:30 PM TO 05:00 PM Total Marks: 70
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Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
| Marks | |
|---|---|
| Q.1 (a) Differentiate between data types and data structures. | 03 |
(b) Answer the followings:
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| (c) Discuss and write a program to implement queue functions using arrays. | 07 |
| Q.2 (a) Distinguish between stack and queue. | 03 |
| (b) What is top of stack? Why stack is called LIFO list? | 04 |
| (c) What is a circular queue? How do you check the queue full condition? Write an algorithm to count the nodes in a circular queue. | 07 |
| OR | |
| (c) Explain creation, insertion and deletion of doubly linked list with example. | 07 |
| Q.3 (a) What are binary trees? Mention different types of binary trees with example. | 03 |
| (b) What is a graph? Explain various representations of graphs. | 04 |
| (c) Write an algorithm to add a node into a binary search tree. | 07 |
| OR | |
| Q.3 (a) What is B -tree of order m? Draw a B-tree of order 3. | 03 |
| (b) Construct a binary tree having the following traversal sequences: Preorder traversal ABCDEFGHI Inorder traversal BCAEDGHFI | 04 |
| (c) Discuss algorithm of Breadth First Search (BFS) traversal for a Graph. Explain with an example. | 07 |
| Q.4 (a) Explain Sequential file organizations and list its advantages and disadvantages. | 03 |
| (b) How access of record is performed in multi key file organization? | 04 |
| (c) Discuss various collision resolution techniques in hashing. | 07 |
| OR | |
| Q.4 (a) Explain indexed sequential file structure. | 03 |
| (b) Explain minimal spanning tree. | 04 |
| (c) What is hashing? What are the qualities of a good hash function? Explain any two hash functions in detail. | 07 |
| Q.5 (a) Define topological sort? | 03 |
| (b) Compare sequential searching with binary searching in detail. | 04 |
| (c) Examine the algorithm for Insertion sort and sort the following array: 77, 33, 44, 11, 88, 22, 66, 55 | 07 |
| OR | |
| Q.5 (a) What do you mean by internal and external sorting? | 03 |
| (b) Write an algorithm for quick sort. | 04 |
| (c) What is Binary Search Tree? Construct a binary search tree for the following elements 21, 16, 24, 18, 22, 25, 26, 27, 29, 33 | 07 |
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