NCompass TechStudio Software Developer Intern Interview Questions and Answers

- The test was conducted in EvalGround Platform.
- At Stage 1, there was 10 simple English MCQ questions.
- At stage 2, two basic level questions were there from Array.
- At stage 3, three easy to medium level questions were there on Array and Strings.
- At stage 4, three SQL based questions were there where they gave class level diagram and the questions were basically based on Joins.

Q1. The interview round was about 10 minutes.
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Q2. The interviewer mainly asked questions based on my resume and my projects.
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Q3. Most of the questions were asked on web development, more precisely backend development.
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Q4. Python data structures and time complexities of Array and HashMap.
Ans. 
Python data structures and time complexities of Array and HashMap.
• Arrays have O(1) time complexity for accessing elements by index and O(n) for searching and insertion

• HashMaps have O(1) time complexity for accessing, searching, and insertion on average

• Arrays use contiguous memory while HashMaps use a hash function to map keys to indices

• Arrays are best for simple data structures while HashMaps are best for key-value pai
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Q5. Difference between Python, Java and JavaScript.
Ans. 
Python is a high-level, interpreted language. Java is a compiled language. JavaScript is a scripting language.
• Python is dynamically typed, while Java is statically typed.

• Java is platform-independent, while Python is not.

• JavaScript is mainly used for front-end web development.

• Python is popular for data analysis and machine learning.

• Java is commonly used for enterprise applications and Android app development.
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Q6. Lifecycle of an Android Activity.
Ans. 
The lifecycle of an Android Activity includes several stages from creation to destruction.
• An Activity is created with onCreate() method

• It becomes visible with onStart() method

• It becomes interactive with onResume() method

• It goes to background with onPause() method

• It becomes invisible with onStop() method

• It is destroyed with onDestroy() method
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Q1. The HR round was about 10 minutes.
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Q2. Tell me about yourself.
Ans. 
I am a software developer intern with a passion for coding and problem-solving.
• Currently pursuing a degree in Computer Science

• Proficient in programming languages such as Java, C++, and Python

• Experience with web development frameworks like React and Angular

• Strong problem-solving and analytical skills

• Completed several coding projects, including a mobile app for tracking expenses
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Q3. Asked me about my family members.
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