Gen Bio Sciences Technical Trainee Interview Questions and Answers

Simply go through the previous papers

Q1. How can u manage both work and PG.
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Basic Arthematic and reasoning and English

Q1. About programming language
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Online assessment with aptitude, technical, english, listening, speaking

Q1. Explain Oops in Java
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Q2. Classes in Java
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Q3. Many questions related to IoT as I am from ECE background
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Q1. Basic intro only
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The aptitude test consists of 26 questions, including 2 coding questions.

Q1. What is Data Structures
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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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Q1. What is multithreading
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Multithreading is the ability of a CPU to execute multiple threads concurrently, allowing for better performance and resource utilization.
• Multithreading allows multiple threads to run concurrently within the same process.

• Each thread has its own stack and program counter, but shares the same memory space.

• Multithreading can improve performance by utilizing multiple CPU cores efficiently.

• Examples of multithreading include...read more
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Q2. What is hash map
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A hash map is a data structure that stores key-value pairs and allows for efficient retrieval of values based on keys.
• Hash maps use a hash function to map keys to indexes in an array, allowing for constant time retrieval of values.

• Collisions can occur when multiple keys hash to the same index, which can be resolved using techniques like chaining or open addressing.

• Example: HashMap map = new HashMap<>()
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Basic quants and reasoning

Simple array and string questions.

Q1. What is Operating System?
Ans. 
An operating system is a software that manages computer hardware and provides services for computer programs.
• Manages computer hardware resources such as CPU, memory, and storage

• Provides a user interface for interacting with the computer

• Supports running applications and managing processes

• Examples include Windows, macOS, Linux, iOS, Android
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Q2. List 5 Git commands?
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Git commands are used to interact with the version control system. Here are 5 commonly used commands.
• git clone : Clone a repository from a remote server to your local machine.

• git add : Add a file to the staging area before committing changes.

• git commit -m 'commit message': Commit the changes in the staging area with a descriptive message.

• git push: Push the committed changes to a remote repository.

• git pull: Fetch and me...read more
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Q1. Golden rules and general entry.
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Q2. Letter of credit. Letter head.
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