Knorr-Bremse Embedded Software Developer Interview Questions and Answers

Q1. Basic C programming questions
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Q2. About education background
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Q3. I explained them about my schooling
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Test to write a Fibonacci function that receives two pointers with data and organize the data

Q1. Why you want to work with us?
Ans. 
I admire your commitment to innovation and quality in embedded systems, and I believe my skills align perfectly with your goals.
• Your company's focus on cutting-edge technology in embedded systems excites me, as I thrive in innovative environments.

• I am impressed by your recent projects, such as the development of advanced medical devices, which showcase your commitment to improving lives.

• I appreciate your collaborative ...read more
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Q1. Pass array to function in c
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Passing an array to a function in C.
• Declare the function with the array parameter

• Pass the array name as argument to the function

• Use array notation to access elements in the function

• Array size can be passed as a separate argument or calculated within the function
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Q1. Program to find a button press
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A program to detect button press and trigger an action
• Use interrupts to detect button press

• Debounce the button to avoid false triggers

• Implement a state machine to handle button press and release events

• Use a timer to detect long press events

• Trigger an action based on the button press event
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Q1. About Personal details
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Q1. What is an inverter ?
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An inverter is an electronic device that converts direct current (DC) to alternating current (AC).
• Used in solar power systems to convert DC from solar panels to AC for home use.

• Common in uninterruptible power supplies (UPS) to provide backup power.

• Found in electric vehicles to convert battery DC to AC for the motor.

• Inverters can vary in type, such as pure sine wave, modified sine wave, and square wave.
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Q2. Code to find the largest on. in the array
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This code finds the largest number in an array of strings representing numbers.
• Convert each string to a number for comparison. Example: '10' becomes 10.

• Use a loop to iterate through the array and keep track of the largest number found.

• Return the largest number after checking all elements.
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Q1. Angular related questions
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Q2. Springboot question
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Q1. General skill based managerial questions
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Q1. Salary discussion
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Q1. What is polymorphism
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Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Inheritance allows a child class to override a method from its parent class, providing different func...read more
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Q2. Why You choose java
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I chose Java for its platform independence, strong community support, and extensive libraries.
• Platform independence allows Java code to run on any device with a JVM

• Strong community support ensures access to resources and help when needed

• Extensive libraries provide pre-built solutions for common programming tasks
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Q1. Matlab related questions
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Q2. MBD related questions
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