Collins Aerospace Senior Software Engineer Interview Questions and Answers

Aptitude contained both coding questions and logical questions in separate papers
Aptitude was quite easy but coding questions were quite difficult. They just checked the coding questions for the screening process. so do well in coding aptitude guys!

Q1. Attended in Chennai. Basic definition and they will review our aptitude coding answers and ask how we come to that outcome.
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There is MCQ questions of basics of c programming

Q1. Second round is a technical round . Coding round
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Q2. They ask about c programming basic questions and coding
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Q3. Armstrong number
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Q4. Fibbonnic series
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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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Normal Aptitude test for 1 hour

Q1. How to reverse an array?
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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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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?
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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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