Einfochips Software Engineer Interview Questions, Process, and Tips

Aptitude questions with focus on DBMS, OS and pseudo code

Q1. 1. One to one technical round with questions regarding data structures, logical thinking, networking and mostly based on your resume.
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Q2. There were also some logical questions.
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Q1. Sorting of array
Ans. 
Sorting an array of strings in alphabetical order.
• Use built-in sorting functions like sort() in most programming languages.

• Consider case sensitivity when sorting strings.

• You can also implement custom sorting algorithms if needed.

• Example: ['apple', 'banana', 'cherry'] should be sorted as ['apple', 'banana', 'cherry'].
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Q2. Pointer addition
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Q1. What's the difference between React JS and React Native?
Ans. 
React JS is a JavaScript library for building user interfaces on web browsers, while React Native is a framework for building mobile applications using React.
• React JS is used for web development, while React Native is used for mobile app development.

• React JS renders components to the DOM, while React Native renders components to native mobile elements.

• React JS uses HTML and CSS for styling, while React Native uses Styl
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Q2. How to improve performance of React Native application?
Ans. 
Improve React Native app performance by optimizing code, reducing unnecessary re-renders, using native modules, and implementing code splitting.
• Optimize code by removing unnecessary dependencies and using efficient algorithms

• Reduce unnecessary re-renders by using shouldComponentUpdate or React.memo

• Use native modules for performance-critical tasks to leverage platform-specific optimizations

• Implement code splitting to lo
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C programming : String and DS

Q1. Basic c concepts, DS program, Embedded related questions.
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Q2. 1) What is Pointer use of it 2) Reverse Link list 3) String concatenation 4) Communication protocols i2c v/s SPI 5) IPC mechanism 6) Dynamic memory allocation related questions
Ans. 
Pointer is a variable that stores the memory address of another variable. Used for dynamic memory allocation and accessing data structures.
• Pointers are used to access and manipulate memory addresses directly.

• Example: int *ptr; ptr = # *ptr = 10; // num now equals 10

• Reverse Link list: Reverses the order of nodes in a linked list.

• String concatenation: Combining two or more strings into a single string.

• Communication p...read more
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Q1. General question
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Q2. Tell me about yourself. Long tern goal Your strong points
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