National Aerospace Laboratories Project Associate 1 Interview Questions, Process, and Tips

Q1. Discussion about project
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Q1. Differentiate between RISC and CISC
Ans. 
RISC stands for Reduced Instruction Set Computing and CISC stands for Complex Instruction Set Computing.
• RISC processors have a smaller set of simple instructions, while CISC processors have a larger set of complex instructions.

• RISC processors typically execute instructions in one clock cycle, while CISC processors may require multiple clock cycles.

• RISC processors rely on optimizing compilers for performance, while CISC...read more
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Q2. Define and differentiate interpreter and compiler
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Interpreter translates code line by line while compiler translates entire code at once.
• Interpreter: translates code line by line, slower execution, easier debugging (e.g. Python)

• Compiler: translates entire code at once, faster execution, harder debugging (e.g. C++)
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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?
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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

About Software, About Leadership

Q1. Javascript basics, Easy to Medium coding problems
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Q1. React server side vs client side
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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
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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?
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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