Embedded Software Engineer

Embedded Software Engineer Interview Questions

Updated 26 May 2024

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Interview Questions

  • Q1. Introduction. Difference between Embedded Systems and Embedded software. Difference between linux and windows. Why use microcontroller instead of microprocessor. C programming: structure and union, pointer and data structure (link list)

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  • Q2. 1) which microcontroller you have used in Academics?

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  • Q3. The test had three sections: 10 - Aptitude questions 15 - C programming Mcq 3 - C programming coding questions

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  • Q4. 7) To write program for Toggle particular But in C?

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  • Q5. 8) To write program to iterate an array using pointer

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  • Q6. 2) About Linux Boot and How to Interface Raspberry pi

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  • Q7. Introduction, C programming n data structure

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  • Q8. 3) About Interrupt service Routine

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  • Q9. 5) About Deadlock, Priority Inversion

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  • Q10. 4) About Real Operating Systems

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+17 interview questions

Interview Questions

  • Q1. What is conductor, insulator and semi conductor?

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  • Q2. Why do we use semiconductor in electronics

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  • Q3. Technical question asked

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  • Q4. How to make a semiconductor p type and n type

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  • Q5. What are logic gates and why do we use it

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  • Q6. Write a program that reverses a string without using any of the string library functions.

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  • Q7. Explain storage classes with respect to memory layout of a C binary.

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  • Q8. Write a program to implement linked list using dynamic memory allocation.

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  • Q9. Write a program to implement a IPC concept(anyone of socket, Message queue, pipes ).

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  • Q10. What is conductor,insulator and semi conductor?

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+20 interview questions

Interview Questions

  • Q1. 3. How to enter if and else at the same time

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  • Q2. 2. Difference between structure and union

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  • Q3. Program to find factorial of a number

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  • Q4. explain recursion with an example

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  • Q5. Interview without question on Hardware for Embedded Engineer is incomplete, give a matured answer (which comes by experience) which makes interviewer get more confident on you. Be prepared with minimum 3 microcontrollers, memories and interfacing.

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  • Q6. 1,. volatile keyword

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  • Q7. Logic question and bit manipulation

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  • Q8. I2C and SPI are the key Communication protocols which you should look out for.

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  • Q9. Basic c programming question

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  • Q10. Be very firm with C Programming, be 100% prepared with one of the language.

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+1 interview question

Interview Questions

  • Q1. 3. 1)Do you know about Autosar. 2)define function definition and function declaration. 3)difference between structure and union. 4) define Enumeration 5)what is microcontroller and microprocessor and its applications 6)where we uses in real time 7)protocol like i2c, spi, uart and its appliactions

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  • Q2. write a program on structure.? and by using pointers how we declare structures.

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  • Q3. If technical goes well, it's almost done. This is just about company, CTC and other formalities.

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  • Q4. More questions on communication protocols like SPI, USART, I2C. FFT, Digital filter design LPF HPF etc. EMBEDDED C, pointers dynamic memory, linkedlist.

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Interview Questions

  • Q1. Find the output of the c code, related to char and ascii values. for(char c=0;c<500;c++) printf(‘%d’, c);

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  • Q2. Puzzle: min no of ways to find heavier stone of 8 stones(7 weigh same).

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  • Q3. static tmp=0; and this static variable was used in a function, we have to find out output of the function. i dont exactly remember the function but if you know how static keyword work then good.

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  • Q4. A c code was given we have to find output of the code: for(char c=0;c<500;c++) printf('%c', c);

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  • Q5. puzzle: find heavier ball out of 8 (7 are identical) using min no of weighs on a scale

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Interview Questions

  • Q1. apptitude on c Landuage questions and guess the out put for given code concentrate only on C language for this role

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  • Q2. technical questions on clanguage and c++ testing and debugging tools questions if shortlisted this will be final rounf if not therse will be one more one on one round

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  • Q3. discussion with CEO for company policies and one on one round on technical questions like c language and the embedded boards that you are worked on

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  • Q4. what are the segments in stacks and heap

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Interview Questions

  • Q1. 1. Storage classes 2. memory segments 3. array initializations and increments 4. malloc v/s calloc 5. Interrupts and interrupt latency 6. UART error codes. 7. string reverse program using pointers and out parameter. 8. Memory alignment 9. Structure Padding 10. structure v/s union 11. what is memset 12. void pointers 13. Volatile concept.

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  • Q2. What is mean by function pointer and purpose of tha? Differenece b/w UART and USART? Compilation stages Storage classes

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Interview Questions

  • Q1. what is Macro?, how to store just 5 bits inside of a charecter? Dangling Pointers? Inline function?

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  • Q2. write a program on finding little or big endian,no of bits set in bit magic,

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  • Q3. They generally asked about basic C question in pointers,function pointers,callback function

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  • Q4. basic of rtos diff btw rtos and gpos core optimisation techniques used debug technique when fault occurs

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  • Q5. Basic IPC concepts used in operating system

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  • Q6. Reverese a 32 byte number

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  • Q7. About pointers and dma

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Interview Questions

  • Q1. Some technical questions about c and cpp like structures, pointers,oops concepts

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  • Q2. Projects in depth (challenges, some part of code explain)

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  • Q3. Given hacker rank question (medium) level and asked to solve

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  • Q4. Strengths and weakness with examples

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  • Q5. Difference between C and Embedded C language

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  • Q6. Basic to medium about c and serial communication protocols

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  • Q7. those questions are some basics and some difficult

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  • Q8. Autosar related topics

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  • Q9. Coding and technical with managerial round

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Interview Questions

  • Q1. first of all they going through your resume secondly they asked about theory questions on programing language in which you comfort. thirdly they give some puzzles to solve. lastly they asked to write a code in Programing language in which you comfort.(C/C++)

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  • Q2. Introduce your self. tell me about your project C programing language questions.

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  • Q3. Puzzle Solving 5 to 6 questions

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  • Q4. Coding Question For Reverse the string.

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