Data Structures Interview Questions
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The document provides an overview of data structures, defining them as methods for storing and manipulating data, with examples such as arrays and linked lists. It covers various applications in computer science, operations performed on stacks, and types of trees. Additionally, it distinguishes between push and pop operations in stack management.
Data Structures Interview Questions
- 2. 1) What is data structure? A data structure is a set of procedures to define, store, access, and manipulate data. For instance; arrays, linked lists, stacks, queues, etc. Data Structures are an integral part of multiple computer science algorithms that enable the management of data in a systematic way.
- 3. 3) Is an array a data structure? An array is a linear data structure that is a determination collection of similar data types and stores in previous or successive memory locations. For instance; an array cannot contain either character elements or integers together.
- 4. 4) List the area of applications of Data Structure. Following are the areas of computer science where data structures are applied: - Artificial Intelligence - Compiler Design - Database Management System - Graphics - Numerical Analysis - Operating System - Simulation - Statistical Analysis Package
- 5. 5) List the data structures which are used in RDBMS, Network Data Modal, and Hierarchical Data Model. The lists below entail the list of data structures used: - RDBMS uses an Array data structure, - Network data model uses Graph, - Hierarchal data model uses Trees.
- 6. 6) What are the operations that can be performed on a stack? -Push Operations - Pop Operations - Peek Operations
- 7. 7) What is the difference between PUSH and POP? The PUSH and POP designate the entry and removal of data to a stack. PUSH: It specifies that data is being "inserted" into the stack. POP: It specifies data retrieval. It means that data is being deleted from the stack.
- 8. 8) What is stack example? FOR EXAMPLE, A PILE OF PLATES, A DECK OF CARDS, A STACK OF PLATES, ETC. A STACK IS CALLED A LAST IN FIRST OUT (LIFO) LIST. THE LAST ELEMENT IS THE FIRST TO BE TAKEN OUT.
- 9. 9) List the types of tree. It entails six types of tree which include: - Binary Tree - Binary Search Tree - Expression Tree - Forests - General Tree - Tournament Tree
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