Velocitai Digital Graduate Engineer Trainee (Get) Interview Questions and Answers

Q1. English basics ,grammar, comprehension
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Q2. Pseudo codes,basic theory questions
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Q1. Basics questions on python and OOPs
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Q2. Program to implement factorial of a number
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Program to calculate factorial of a number using recursion or iteration
• Define a function to calculate factorial

• Use recursion or iteration to calculate factorial

• Handle edge cases like 0 and negative numbers

• Example: factorial of 5 is 5*4*3*2*1 = 120
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The aptitude test consists of 26 questions, including 2 coding questions.

Q1. What is Data Structures
Ans. 
Data structures are ways of organizing and storing data in a computer so that it can be accessed and used efficiently.
• Data structures define the way data is stored, accessed, and manipulated in a computer program.

• Examples include arrays, linked lists, stacks, queues, trees, and graphs.

• Choosing the right data structure is crucial for optimizing the performance of algorithms and applications.
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Q2. Explain a Binary Search Tree
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A Binary Search Tree (BST) is a data structure where each node has at most two children, with the left child being less than the parent and the right child being greater.
• Nodes in a BST are arranged in a hierarchical order where each node has a left child and a right child.

• The left child of a node contains a value less than the parent node, while the right child contains a value greater than the parent node.

• BST allows f...read more
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Q3. Dijkstra Algorithm
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Dijkstra's Algorithm is a graph search algorithm for finding the shortest path from a single source to all other nodes in a graph with non-negative edge weights.
• Dijkstra's Algorithm is used in various applications such as network routing protocols, GPS systems, and road navigation.

• It works by maintaining a set of nodes with known shortest distance from the source and iteratively expanding this set by adding the nearest...read more
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Q1. Questions on Resume
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