BigSun Technologies Software Engineer Interview Questions and Answers

Aptitude, electronics

Q1. Transformer and power supply
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Q2. What is a pointer
Ans. 
A pointer is a variable that stores the memory address of another variable.
• Pointers are used to access and manipulate memory locations directly.

• They are commonly used in programming languages like C and C++.

• Example: int *ptr; // declares a pointer to an integer variable
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Q1. What all thinks happen on powering on a device.
Ans. 
When a device is powered on, several processes occur including booting up the operating system, initializing hardware components, loading necessary drivers, and launching user interface.
• Booting up the operating system

• Initializing hardware components

• Loading necessary drivers

• Launching user interface
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OS questions, locking and threads etc

Basic questions on Linked list

Q1. IPC mechanisms in OS, process management
Ans. 
IPC mechanisms in OS facilitate communication between processes, while process management involves creating, scheduling, and terminating processes.
• IPC mechanisms include shared memory, message passing, and sockets.

• Shared memory allows processes to share a portion of memory for communication.

• Message passing involves sending and receiving messages between processes.

• Sockets enable communication between processes over a ne...read more
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Q2. Fibonacci series code
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Q1. What challenging work you did in previous company
Ans. 
Implemented a real-time data processing system to handle large volumes of data efficiently.
• Designed and implemented a distributed system using Apache Kafka for real-time data processing.

• Optimized data processing algorithms to handle large volumes of data without impacting performance.

• Collaborated with cross-functional teams to ensure seamless integration of the system with existing infrastructure.
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Question based on fundmentals of CS

Q1. Dsa related problem ,SQL and your project.
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Q2. Majorly focouses on Dsa and SQL
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Q1. Ask question about your shifts and timings and will you able to relocate or not
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Q1. LAMP stack related questions
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The test consisted of 3 sections - English, Logical and Coding questions. The questions were not to difficult to answer, if you have good knowledge you are likely to crack it.

GD will be conducted between 10-12 people in batches, You will get you topic and 2 mins to prepare something on it and then round is open to speak. If you keep your calm and speak the right things at the right time, you are good to go.

Q1. I was asked which language was my go to and then I was asked further questions on that.
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Q2. Questions were asked on core Java concepts. A block of code was given and I was asked what would be the output.
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Q1. A basic HR round discussing the CTC and your job location.
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Q1. Basic OOPS concepts
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Q2. Angular Interview quiestions
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Q1. What is Event Loop In NodeJS?
Ans. 
Event Loop in NodeJS is a mechanism that allows NodeJS to perform non-blocking I/O operations by offloading operations to the system kernel.
• Event Loop is responsible for handling asynchronous operations in NodeJS.

• It allows NodeJS to perform multiple operations concurrently without blocking the execution.

• Event Loop continuously checks the event queue for any pending tasks and executes them in a non-blocking manner.

• Examp...read more
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Q2. What is Cluster ?
Ans. 
A cluster is a group of interconnected computers that work together to perform a task or provide a service.
• Clusters are used to improve performance, scalability, and availability of applications.

• They can be categorized into different types such as high availability clusters, load balancing clusters, and parallel processing clusters.

• Examples of clusters include Hadoop clusters for big data processing and Kubernetes clus
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Implement TODO List with ReactJS

2-3 coding questions asked

Q1. Question related to data structures,OOPs,SQL,DBMS etc.
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Q2. Reverse a given string Graph question
Ans. 
Reverse a given string
• Create a new string and iterate through the original string in reverse order, appending each character to the new string

• Use built-in functions like reverse() in some programming languages to reverse the string

• Implement a stack data structure to push each character of the original string and then pop them to get the reversed string
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Q1. Introduction Why you want to join this company
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Q2. Where do you see yourself in next 5 years
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