DATA STRUCTURE QUESTIONS What is a data structure? What does abstract data type means? Evaluate the following prefix expression " ++ 26 + - 1324" (Similar types can be asked) Convert the following infix expression to post fix notation ((a+2)*(b+4)) -1 (Similar types can be asked) How is it possible to insert different type of elements in stack? Stack can be described as a pointer. Explain. Write a Binary Search program Write programs for Bubble Sort, Quick sort Explain about the types of linked lists How would you sort a linked list? Write the programs for Linked List (Insertion and Deletion) operations What data structure would you mostly likely see in a non recursive implementation of a recursive algorithm? What do you mean by Base case, Recursive case, Binding Time, Run-Time Stack and Tail Recursion? Explain quick sort and merge sort algorithms and derive the time-constraint relation for these. Explain binary searching, Fibinocci search. What is the maximum total number of nodes in a tree that has N levels? Note that the root is level (zero) How many different binary trees and binary search trees can be made from three nodes that contain the key values 1, 2 & 3? A list is ordered from smaller to largest when a sort is called. Which sort would take the longest time to execute? A list is ordered from smaller to largest when a sort is called. Which sort would take the shortest time to execute? When will you sort an array of pointers to list elements, rather than sorting the elements themselves? The element being searched for is not found in an array of 100 elements. What is the average number of comparisons needed in a sequential search to determine that the element is not there, if the elements are completely unordered? What is the average number of comparisons needed in a sequential search to determine the position of an element in an array of 100 elements, if the elements are ordered from largest to smallest? Which sort show the best average behavior? What is the average number of comparisons in a sequential search? Which data structure is needed to convert infix notations to post fix notations? What do you mean by: • Syntax Error • Logical Error • Runtime Error How can you correct these errors? In which data structure, elements can be added or removed at either end, but not in the middle? How will inorder, preorder and postorder traversals print the elements of a tree? Parenthesis are never needed in prefix or postfix expressions. Why? Which one is faster? A binary search of an orderd set of elements in an array or a sequential search of the elements. Data Structure Questions 1. What is data structure? 2. List out the areas in which data structures are applied extensively? 3. What are the major data structures used in the following areas : RDBMS, Network data model & Hierarchical data model. 4. If you are using C language to implement the heterogeneous linked list, what pointer type will you use? 5. Minimum number of queues needed to implement the priority queue? 6. What is the data structures used to perform recursion? 7. What are the notations used in Evaluation of Arithmetic Expressions using prefix and postfix forms? 8. Convert the expression ((A + B) * C – (D – E) ^ (F + G)) to equivalent Prefix and Postfix notations. 9. Sorting is not possible by using which of the following methods? 10. A binary tree with 20 nodes has null branches? 21 Let us take a tree with 5 nodes (n=5) 11. What are the methods available in storing sequential files ? 12. How many different trees are possible with 10 nodes ? 1014 For example, consider a tree with 3 nodes(n=3), it will have the maximum combination of 5 different (ie, 23 - 3 = 5) trees. i ii iii iv v 13. List out few of the Application of tree data-structure? 14. List out few of the applications that make use of Multilinked Structures? 15. In tree construction which is the suitable efficient data structure? (a) Array (b) Linked list (c) Stack (d) Queue (e) none 16. What is the type of the algorithm used in solving the 8 Queens problem? 17. In an AVL tree, at what condition the balancing is to be done? 18. What is the bucket size, when the overlapping and collision occur at same time? 19. Traverse the given tree using Inorder, Preorder and Postorder traversals. 20. There are 8, 15, 13, 14 nodes were there in 4 different trees. Which of them could have formed a full binary tree? 21. In the given binary tree, using array you can store the node 4 at which location? At location 6 1 2 3 - - 4 - - 5 Root LC1 RC1 LC2 RC2 LC3 RC3 LC4 RC4 where LCn means Left Child of node n and RCn means Right Child of node n 22. Sort the given values using Quick Sort? 65 70 75 80 85 60 55 50 45 23. For the given graph, draw the DFS and BFS?  BFS: A X G H P E M Y J  DFS: A X H P E Y M J G 24. Classify the Hashing Functions based on the various methods by which the key value is found. 25. What are the types of Collision Resolution Techniques and the methods used in each of the type? 26. In RDBMS, what is the efficient data structure used in the internal storage representation? 27. Draw the B-tree of order 3 created by inserting the following data arriving in sequence – 92 24 6 7 11 8 22 4 5 16 19 20 78 28. Of the following tree structure, which is, efficient considering space and time complexities? (a) Incomplete Binary Tree (b) Complete Binary Tree (c) Full Binary Tree 29. What is a spanning Tree? 30. Does the minimum spanning tree of a graph give the shortest distance between any 2 specified nodes? 31. Convert the given graph with weighted edges to minimal spanning tree. 32. Which is the simplest file structure? (d) Sequential (e) Indexed (f) Random 33. Whether Linked List is linear or Non-linear data structure? 34. Draw a binary Tree for the expression : A * B - (C + D) * (P / Q) 35. For the following COBOL code, draw the Binary tree? 01 STUDENT_REC. 02 NAME. 03 FIRST_NAME PIC X(10). 03 LAST_NAME PIC X(10). 02 YEAR_OF_STUDY. 03 FIRST_SEM PIC XX. 03 SECOND_SEM PIC XX. Data Structure Questions 1. What is data structure? 2. List out the areas in which data structures are applied extensively? 3. What are the major data structures used in the following areas : RDBMS, Network data model & Hierarchical data model. 4. If you are using C language to implement the heterogeneous linked list, what pointer type will you use? 5. Minimum number of queues needed to implement the priority queue? 6. What is the data structures used to perform recursion? 7. What are the notations used in Evaluation of Arithmetic Expressions using prefix and postfix forms? 8. Convert the expression ((A + B) * C – (D – E) ^ (F + G)) to equivalent Prefix and Postfix notations. 9. Sorting is not possible by using which of the following methods? 10. A binary tree with 20 nodes has null branches? 21 Let us take a tree with 5 nodes (n=5) 11. What are the methods available in storing sequential files ? 12. How many different trees are possible with 10 nodes ? 1014 For example, consider a tree with 3 nodes(n=3), it will have the maximum combination of 5 different (ie, 23 - 3 = 5) trees. i ii iii iv v 13. List out few of the Application of tree data-structure? 14. List out few of the applications that make use of Multilinked Structures? 15. In tree construction which is the suitable efficient data structure? (a) Array (b) Linked list (c) Stack (d) Queue (e) none 16. What is the type of the algorithm used in solving the 8 Queens problem? 17. In an AVL tree, at what condition the balancing is to be done? 18. What is the bucket size, when the overlapping and collision occur at same time? 19. Traverse the given tree using Inorder, Preorder and Postorder traversals. 20. There are 8, 15, 13, 14 nodes were there in 4 different trees. Which of them could have formed a full binary tree? 21. In the given binary tree, using array you can store the node 4 at which location? At location 6 1 2 3 - - 4 - - 5 Root LC1 RC1 LC2 RC2 LC3 RC3 LC4 RC4 where LCn means Left Child of node n and RCn means Right Child of node n 22. Sort the given values using Quick Sort? 65 70 75 80 85 60 55 50 45 23. For the given graph, draw the DFS and BFS?  BFS: A X G H P E M Y J  DFS: A X H P E Y M J G 24. Classify the Hashing Functions based on the various methods by which the key value is found. 25. What are the types of Collision Resolution Techniques and the methods used in each of the type? 26. In RDBMS, what is the efficient data structure used in the internal storage representation? 27. Draw the B-tree of order 3 created by inserting the following data arriving in sequence – 92 24 6 7 11 8 22 4 5 16 19 20 78 28. Of the following tree structure, which is, efficient considering space and time complexities? (a) Incomplete Binary Tree (b) Complete Binary Tree (c) Full Binary Tree 29. What is a spanning Tree? 30. Does the minimum spanning tree of a graph give the shortest distance between any 2 specified nodes? 31. Convert the given graph with weighted edges to minimal spanning tree. 32. Which is the simplest file structure? (d) Sequential (e) Indexed (f) Random 33. Whether Linked List is linear or Non-linear data structure? 34. Draw a binary Tree for the expression : A * B - (C + D) * (P / Q) 35. For the following COBOL code, draw the Binary tree? 01 STUDENT_REC. 02 NAME. 03 FIRST_NAME PIC X(10). 03 LAST_NAME PIC X(10). 02 YEAR_OF_STUDY. 03 FIRST_SEM PIC XX. 03 SECOND_SEM PIC XX. Data Structure Questions 1. What is data structure? 2. List out the areas in which data structures are applied extensively? 3. What are the major data structures used in the following areas : RDBMS, Network data model & Hierarchical data model. 4. If you are using C language to implement the heterogeneous linked list, what pointer type will you use? 5. Minimum number of queues needed to implement the priority queue? 6. What is the data structures used to perform recursion? 7. What are the notations used in Evaluation of Arithmetic Expressions using prefix and postfix forms? 8. Convert the expression ((A + B) * C – (D – E) ^ (F + G)) to equivalent Prefix and Postfix notations. 9. Sorting is not possible by using which of the following methods? 10. A binary tree with 20 nodes has null branches? 21 Let us take a tree with 5 nodes (n=5) 11. What are the methods available in storing sequential files ? 12. How many different trees are possible with 10 nodes ? 1014 For example, consider a tree with 3 nodes(n=3), it will have the maximum combination of 5 different (ie, 23 - 3 = 5) trees. i ii iii iv v 13. List out few of the Application of tree data-structure? 14. List out few of the applications that make use of Multilinked Structures? 15. In tree construction which is the suitable efficient data structure? (a) Array (b) Linked list (c) Stack (d) Queue (e) none 16. What is the type of the algorithm used in solving the 8 Queens problem? 17. In an AVL tree, at what condition the balancing is to be done? 18. What is the bucket size, when the overlapping and collision occur at same time? 19. Traverse the given tree using Inorder, Preorder and Postorder traversals. 20. There are 8, 15, 13, 14 nodes were there in 4 different trees. Which of them could have formed a full binary tree? 21. In the given binary tree, using array you can store the node 4 at which location? At location 6 1 2 3 - - 4 - - 5 Root LC1 RC1 LC2 RC2 LC3 RC3 LC4 RC4 where LCn means Left Child of node n and RCn means Right Child of node n 22. Sort the given values using Quick Sort? 65 70 75 80 85 60 55 50 45 23. For the given graph, draw the DFS and BFS?  BFS: A X G H P E M Y J  DFS: A X H P E Y M J G 24. Classify the Hashing Functions based on the various methods by which the key value is found. 25. What are the types of Collision Resolution Techniques and the methods used in each of the type? 26. In RDBMS, what is the efficient data structure used in the internal storage representation? 27. Draw the B-tree of order 3 created by inserting the following data arriving in sequence – 92 24 6 7 11 8 22 4 5 16 19 20 78 28. Of the following tree structure, which is, efficient considering space and time complexities? (a) Incomplete Binary Tree (b) Complete Binary Tree (c) Full Binary Tree 29. What is a spanning Tree? 30. Does the minimum spanning tree of a graph give the shortest distance between any 2 specified nodes? 31. Convert the given graph with weighted edges to minimal spanning tree. 32. Which is the simplest file structure? (d) Sequential (e) Indexed (f) Random 33. Whether Linked List is linear or Non-linear data structure? 34. Draw a binary Tree for the expression : A * B - (C + D) * (P / Q) 35. For the following COBOL code, draw the Binary tree? 01 STUDENT_REC. 02 NAME. 03 FIRST_NAME PIC X(10). 03 LAST_NAME PIC X(10). 02 YEAR_OF_STUDY. 03 FIRST_SEM PIC XX. 03 SECOND_SEM PIC XX.

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Someone wants to send a small quantity, say about 500 Kgs., of green coffee beans from Koraput Orissa to Bangalore for Roasting and Packaging of the same there. There will be a loss in weight of about 20% during the processing the green coffee beans into coffee powder, which will then be fit for human consumption. Now, after processing the green coffee beans at Bangalore, the person wants to sell simultaneously a part of the Roasted Coffee Powder to four persons; one of them is in Chandigarh (a registered Dealer in Punjab) and the other is in Mumbai (possibly he is a an individual and not a registered dealer), third one is a registered dealer in Bangalore and the last one is an individual consumer just like you and me, and is not a registered dealer and stays in Mysore. The person wishes to bring the rest of the packed Roasted Coffee Powder back to Koraput, Odisha. The planter is a registered dealer under VAT in Odisha and has produced (manufactured) the coffee beans in his own gardens, and has applied for a CST Number but is yet to obtain the Number. We want to know: As to whether he can send the coffee beans to Bangalore for roasting without obtaining a CST Number beforehand. Or as to whether it is mandatory for him to get the CST registration first, before sending the Coffee beans to outside the state; As to how the person can generate the Way Bills from here and to send these to the transport carriers, for his sales to Chandigarh, Mumbai, Bangalore and Mysore. Tell me as to how he can do the necessary paper works and as to how he can pay the tax collected thus, As to how he can bring the rest of the roasted coffee powder back to Koraput that he can sell afterwards in the state and outside; He shall be sending samples of the Roasted coffee to Philippines and elsewhere, from Bangalore itself. May be in a subsequent times he might export, for which he has to send the roasted coffee powder to Mumbai; If the person wants to send the parchment coffee to Kushal Nagar in Karnataka to do the Curing Pre-Roasting) there, as to how he can send the processed coffee to the Roster at Bangalore. During Curing there is a loss of weight of about 20% too. Until the roasting is done, there will be no transfer of ownership, at any point of time, in between.

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