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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.

6,907 embedded software engineer interview questions shared by candidates

int x=20,y=35; x=y++ + x++; y= ++y + ++x; printf("%d%d\n",x,y); char *ptr = " Plexus Corp"; char *temp; ptr+=2; printf("%s\n",ptr); *temp = *ptr++; printf("%s\n",ptr); What is the final value of port1? unsigned short port1 = 0x1212FF22; port1 |= 0x11; port1 &= ~0x2200; void Q3() { int x=5, y=10; swap (x,y); printf("%d %d\n",x,y); swap2(x,y); printf("%d %d\n",x,y); } explain const int a; int const a; const int *a; int * const a; int const * a const; Please comment on the following interrupt service routine code: __interrupt double compute_area(double radius) { double area = PI * radius * radius; printf("\nArea = %f", area); return area; } #define SQR( a ) a*a printf("Answer is %d\n",SQR(6+1)); Review his function and identify any issues or problems with this function   char* GetNewStringAsUppercase(char* string1) { int i=0; char string2[20]; while (i<20 && *(string1+i) != '\0') { string2[i] = toupper (*(string1+i)); ++i; } string2[i] = '\0'; return string2; }
avatar

Senior Embedded Software Engineer

Interviewed at Plexus

3.9★
Nov 1, 2012

int x=20,y=35; x=y++ + x++; y= ++y + ++x; printf("%d%d\n",x,y); char *ptr = " Plexus Corp"; char *temp; ptr+=2; printf("%s\n",ptr); *temp = *ptr++; printf("%s\n",ptr); What is the final value of port1? unsigned short port1 = 0x1212FF22; port1 |= 0x11; port1 &= ~0x2200; void Q3() { int x=5, y=10; swap (x,y); printf("%d %d\n",x,y); swap2(x,y); printf("%d %d\n",x,y); } explain const int a; int const a; const int *a; int * const a; int const * a const; Please comment on the following interrupt service routine code: __interrupt double compute_area(double radius) { double area = PI * radius * radius; printf("\nArea = %f", area); return area; } #define SQR( a ) a*a printf("Answer is %d\n",SQR(6+1)); Review his function and identify any issues or problems with this function   char* GetNewStringAsUppercase(char* string1) { int i=0; char string2[20]; while (i<20 && *(string1+i) != '\0') { string2[i] = toupper (*(string1+i)); ++i; } string2[i] = '\0'; return string2; }

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