Infineon Technologies Software Developer Interview Questions and Answers

General aptitude questions

Problem solving, solved 2 out of 3 questions

General topics were given in gd

Q1. Programming concepts
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Q2. Projects and coding round questions solved
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Its basically a test comprising 32 mcq
12- logical reasoning
20- core C,DBMS, OS , Computer Networks

2 coding Questions

Q1. He just Gave me to design a React Page and removed all the starting code and gave me blank folder and asked to code all by myself
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Q2. He asked me SQL queries which was quite tough as its of nested queries
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Q1. What is normalization
Ans. 
Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.
• Normalization is used to eliminate data redundancy by breaking up tables into smaller, related tables.

• It helps in reducing data anomalies such as insertion, update, and deletion anomalies.

• Normalization is achieved through a series of stages called normal forms, with the most common being First Normal Form (1NF)...read more
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Q2. Code for armstrong alogrithm
Ans. 
Armstrong algorithm is used to find Armstrong numbers in a given range.
• Iterate through the numbers in the given range

• Calculate the sum of cubes of each digit in the number

• Check if the sum is equal to the original number
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Q1. Tell me about yourself
Ans. 
I am a passionate software developer with experience in Java, Python, and web development.
• Experienced in Java, Python, and web development technologies

• Strong problem-solving skills

• Team player with excellent communication skills
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Q2. What was malloc
Ans. 
malloc is a function in C programming used to dynamically allocate memory during runtime.
• malloc stands for 'memory allocation'.

• It is used to allocate a specific amount of memory during program execution.

• The allocated memory is not automatically initialized and must be explicitly freed using the free() function to avoid memory leaks.
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Medium coding qs with technical interview

Q1. Reverse an array
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Q1. Count freq of elements in array
Ans. 
Count frequency of elements in array of strings
• Iterate through the array and use a hashmap to store the frequency of each element

• Use a for loop to go through each element and update the count in the hashmap

• Return the hashmap with element frequencies
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