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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Q1. What do you mean by GIS
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Q2. Django Web development and Rest APIs
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Q1. What are oops concepts
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Q2. Some questions on collection framework
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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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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 ponters and it's types
Ans. 
Pointers are variables that store memory addresses of other variables. They are used to access and manipulate data indirectly.
• Pointers are used in C and C++ programming languages.

• Types of pointers include null pointers, void pointers, function pointers, and pointer to pointer.

• Example: int *ptr; // pointer to an integer variable
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Q2. Difference between structures and union
Ans. 
Structures are used to store different data types under a single name, while unions allow storing only one value at a time.
• Structures can store multiple values of different data types under a single name, while unions can store only one value at a time.

• In structures, each member has its own memory location, while in unions, all members share the same memory location.

• Structures are used when different types of data need...read more
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Q1. Here they discussed salary
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