National Aerospace Laboratories Software Engineer Interview Questions and Answers

Dsa + JavaScript related questions and outputs

Js related coding + easy dsa

Q1. Mostly about the projects you did earlier
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Q2. What do you focus on learning in future
Ans. 
I focus on learning new programming languages, technologies, and best practices to stay current in the industry.
• Learning new programming languages such as Python or Go

• Exploring emerging technologies like blockchain or machine learning

• Staying updated on best practices in software development such as Agile or DevOps

• Improving problem-solving skills through coding challenges and projects
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There was simple aptitude questions along with some C snippet

Q1. Difference between RISC and CISC?
Ans. 
RISC (Reduced Instruction Set Computing) has a smaller set of simple instructions, while CISC (Complex Instruction Set Computing) has a larger set of complex instructions.
• RISC processors have simpler instructions that can be executed in a single clock cycle, making them faster.

• CISC processors have more complex instructions that may require multiple clock cycles to execute.

• RISC architectures typically have a smaller chi...read more
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Q2. How ADC(Analog to Digital Converter) works?
Ans. 
ADC converts analog signals into digital data by sampling the input signal at regular intervals.
• ADC samples the input signal at regular intervals

• It quantizes the sampled values into discrete digital values

• The resolution of ADC determines the number of possible digital values

• Common types of ADC include successive approximation ADC and delta-sigma ADC
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Simple embedded c coding round

Q1. Discussion about project
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Coding on dsa with easy will question

Q1. Draw a linked list
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Normal Aptitude test for 1 hour

Q1. How to reverse an array?
Ans. 
To reverse an array of strings, iterate through the array and swap elements from start to end.
• Iterate through the array using two pointers, one starting from the beginning and the other from the end.

• Swap elements at the two pointers until they meet in the middle.

• Repeat until all elements are swapped and the array is reversed.
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Q1. Tell me about your strengths and weakness
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Q1. Explain OOPS and functional programming
Ans. 
OOPS focuses on objects and classes, while functional programming focuses on functions as first-class citizens.
• OOPS involves concepts like inheritance, encapsulation, and polymorphism.

• Functional programming emphasizes immutability, pure functions, and higher-order functions.

• In OOPS, data is typically stored in objects with methods to manipulate the data.

• Functional programming avoids side effects and mutable state.

• Examp...read more
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Q1. Javascript basics, Easy to Medium coding problems
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Q1. React server side vs client side
Ans. 
React server side rendering generates HTML on the server while client side rendering generates HTML on the browser.
• Server side rendering is better for SEO and initial page load time

• Client side rendering is better for interactivity and dynamic content

• Server side rendering requires more initial setup and configuration

• Client side rendering can be easier to develop and maintain
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Q2. Convert class based component to functional component
Ans. 
To convert a class based component to functional component, we need to remove the class syntax and use hooks instead.
• Remove the class syntax and replace it with a function

• Remove the render method and return the JSX directly

• Replace this.props with props

• Use useState hook to manage state

• Use useEffect hook to manage lifecycle methods
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Q3. SQL easy to medium questions
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Q1. Manager round. Discussion about the current project that you are working, technical implementation using AWS
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Q2. Behavioural questions
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Q1. Behavioural questions
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