hire embedded developers

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50 Embedded Software Engineer Interview Questions
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Interviewing Embedded Developers

• Asking the rightest and the most relevant
  questions in an interview to hire embedded
  developers is very important. The right questions
  will explore and scrutinize the skills,
  qualifications, and expertise of embedded
  software programmers that are essentially
  required for the desired job vacancy to fill.
  Good set of questions to hire an embedded
  consultant or an engineer should include both
  hardware and software related questions along
  with the questions related to soft skills as
  listed below

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50 Embedded Engineer Interview Questions

1. What do you know about computer embedded systems?
2. Can you please name the main components of an
   embedded system?
3. What are the major applications of embedded
   systems?
4. What are the major benefits of using embedded
   systems?
5. What are the main types of embedded systems?
6. What is serial communication?
7. What are major types of serial communication used
   in embedded systems?
8. What do you mean by parallel communication in
   embedded systems?
9. How will you define a microcontroller?
10. What are major differences between
    microcontrollers and microprocessors?

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50 Embedded Engineer Interview Questions

• 11. What are semaphores in an embedded system?
• 12. What hardware domains should an embedded
  hardware engineer be aware of?
• 13. What are mutex objects?
• 14. What is a recursion function?
• 15. When is a recursion function used?
• 16. What is an interrupt in embedded systems?
• 17. Which issues can arise while implementing
  interrupt code in a particular context?
• 18. Can a recursion function overload the
  processor, if it is declared inline?
• 19. What do you mean by watchdog timer?
• 20. What is the use of an infinite loop in
  embedded systems?

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50 Embedded Engineer Interview Questions
21. What are the most common errors occurring in
the embedded systems? 22. What is a spinlock? 23.
For what purpose the spinlock is used? 24. What
are the functions of a watchdog timer? 25. What
are pros and cons of implementing generic RTOS on
a mid-range microcontroller? 26. What do you mean
by dynamic and static memory allocation? 27.
Which type of memory allocation on platforms with
low memory size is recommended? 28. Which
programming languages are most popular in
embedded programming? 29. What features of C and
C do make them ideal for embedded systems? 30.
Which communication is used to connect small
microcontroller devices to large computer systems?
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50 Embedded Engineer Interview Questions
31. What are the reasons to use 8-bit
microcontrollers instead of 32-bit and higher
ones? 32. What is TTL-Like serial
communication? 33. What is the difference between
TTL-Like and RS-323-like serial
communication? 34. What is UART protocol? 35.
What is the serial peripheral interface SPI? 36.
What software skills should an embedded software
consulting engineer possess? 37. How will you
explain input/output devices in embedded system
perspectives? 38. Can you name a few very
important types of buses used in the embedded
system communication? 39. How will you explain
interrupt latency in embedded systems? 40. What
does ISR stand for in embedded systems?
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50 Embedded Engineer Interview Questions
41. What is the function of ISR in embedded
systems? 42. What do you understand about the
Inter Process Communication (IPC) in embedded
systems? 43. How can memory requirements be
reduced in embedded systems? 44. What
configuration tools do you know? 45. What code
testing tools do you know about? 46. What
embedded projects have you worked on
recently? 47. What you know about an API? 48.
What computing architectures are commonly used in
embedded systems? 49. What is the difference
between RISC and CISC architectures? 50. How will
you differentiate between component-based and
object-oriented designs?
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