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Embedded Software Engineer Interview Questions

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Embedded Software Engineer Interview Questions

Embedded software engineers develop and maintain embedded systems, which may require advanced software skills and problem solving. In an embedded software engineer interview, the interviewer may ask questions that test your coding skills and experience. Expect to also discuss how you work with others, as the role may function within a team.

Top Embedded Software Engineer Interview Questions & How To Answer

Question 1

Question #1: Define an embedded system.

How to answer
How to answer: Prove your competency by delivering a concise but thorough answer. Explain that an embedded system is a computer that lives within a bigger machine and operates in a unique way to perform a particular task. Consider offering some examples, like a car, a kitchen appliance, or an MP3 player.
Question 2

Question #2: What programming languages are you able to use?

How to answer
How to answer: Embedded software engineers are responsible for building complex functional systems, so it's beneficial to highlight your technical skills. The interviewer may want to hear you mention basic programming languages like C and C++. You might mention which languages you prefer or which you would like to gain more experience in, demonstrating passion and an ongoing willingness to learn.
Question 3

Question #3: Have you collaborated with engineers and designers?

How to answer
How to answer: You may work with others towards a common goal, so teamwork is vital. Consider sharing an anecdote about a time when you collaborated successfully to resolve an issue with a product. Focus on your ability to manage stress, clearly communicate complex issues, and listen to others.

6,898 embedded software engineer interview questions shared by candidates

1. Written test:  20 questions from Electronics  20 from ‘C’  Some descriptive questions from Linux, C++, RTOS (10 Q very simple) ELECTRONICS According to me, you should know basic electronics. No need to worry that VVDN paper is of GATE level it is not like that, VVDN questions was very simple if u refer your basic electronics subjects that will be sufficient for you. Here I am mentioning some of the topics/question asked in VVDN Diode: Basic knowledge of all diodes like PN junction diode, LED, tunnel, Zener etc (Symbol, working) Transistor: transistor as amplifier, as switch, and some basics, logic gate made by transistors Network Analysis: asked more questions from this portion like find current in a particular node, voltage drop in a branch of n/w, Wheatstone bridge circuit etc. Digital: basic of flip flops, shift registers, counters etc. Others: OP-amp - inverting, non-inverting etc ‘C’ Concentrate more on preprocessor, macros replacement, pointers, string and array based questions, bit field also. One suggestion for my side that for any interview there will be ‘C’, so prepare “C IN DEPTH” back exercise and if possible “TEST UR C SKILLS”. Third part In this part there were some descriptive questions of 1 marks like 1. Write name of three boot loaders. 2. Write name of three RTOS. 3. Difference between RTOS and GPOS. 2nd ROUND (Technical) Most of the questions from question paper as I already mention above. More questions from Hardware 1. While pointing at a question from paper they asked that if I replace this DC source with AC what happen. 2. Some questions regarding voltage drop in diode, in led etc from paper. 3. Some questions from my Project in B.Tech and Vector. 4. They ask me to describe any of the practical hardware work or project I did in my life, so I describe them a small work of creating a circuit of decoration lights whatever I did at my home. 5. What is IPC 6. Why we need IPC, relation between IPC and memory storage etc 3rd ROUND (Technical + HR) They asked more questions from Virtual memory concept like 1. Project mentioned in my resume. 2. What is virtual memory? 3. Difference between virtual and physical memory and related stuff. 4. From OP- amp they asked formula for inverting amplifier, if there is no feedback what happened. 5. OP-amp as amplifier. 6. Again some question from paper whatever I have NOT solved, they asked me try to solve it. They have NOT asked any of HR question from me. Remember “CONFIDENCE IS A KEY OF SUCCESS”. I was fully confidant during my interview this was my strength. So be confidant, believe in yourself and get a good job.
avatar

Embedded Software Engineer

Interviewed at VVDN Technologies

3.4★
Dec 6, 2017

1. Written test:  20 questions from Electronics  20 from ‘C’  Some descriptive questions from Linux, C++, RTOS (10 Q very simple) ELECTRONICS According to me, you should know basic electronics. No need to worry that VVDN paper is of GATE level it is not like that, VVDN questions was very simple if u refer your basic electronics subjects that will be sufficient for you. Here I am mentioning some of the topics/question asked in VVDN Diode: Basic knowledge of all diodes like PN junction diode, LED, tunnel, Zener etc (Symbol, working) Transistor: transistor as amplifier, as switch, and some basics, logic gate made by transistors Network Analysis: asked more questions from this portion like find current in a particular node, voltage drop in a branch of n/w, Wheatstone bridge circuit etc. Digital: basic of flip flops, shift registers, counters etc. Others: OP-amp - inverting, non-inverting etc ‘C’ Concentrate more on preprocessor, macros replacement, pointers, string and array based questions, bit field also. One suggestion for my side that for any interview there will be ‘C’, so prepare “C IN DEPTH” back exercise and if possible “TEST UR C SKILLS”. Third part In this part there were some descriptive questions of 1 marks like 1. Write name of three boot loaders. 2. Write name of three RTOS. 3. Difference between RTOS and GPOS. 2nd ROUND (Technical) Most of the questions from question paper as I already mention above. More questions from Hardware 1. While pointing at a question from paper they asked that if I replace this DC source with AC what happen. 2. Some questions regarding voltage drop in diode, in led etc from paper. 3. Some questions from my Project in B.Tech and Vector. 4. They ask me to describe any of the practical hardware work or project I did in my life, so I describe them a small work of creating a circuit of decoration lights whatever I did at my home. 5. What is IPC 6. Why we need IPC, relation between IPC and memory storage etc 3rd ROUND (Technical + HR) They asked more questions from Virtual memory concept like 1. Project mentioned in my resume. 2. What is virtual memory? 3. Difference between virtual and physical memory and related stuff. 4. From OP- amp they asked formula for inverting amplifier, if there is no feedback what happened. 5. OP-amp as amplifier. 6. Again some question from paper whatever I have NOT solved, they asked me try to solve it. They have NOT asked any of HR question from me. Remember “CONFIDENCE IS A KEY OF SUCCESS”. I was fully confidant during my interview this was my strength. So be confidant, believe in yourself and get a good job.

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