Introduction
As the world is moving towards advanced technologies, the demand for competent embedded system professionals is on the rise. The market is filled with numerous candidates with degrees and certifications, but only a few stand out as true professionals with the desired skill set. So, if you are aspiring to be an embedded system engineer, it’s vital to prepare for the interview. In this article, we have listed some of the critical interview questions and topics that are likely to be covered in an embedded system interview, allowing you to face the interview with confidence.
Important Topics
Some of the critical topics that interviewers usually cover in an embedded system interview include:
- Programming Languages - C, C++, Assembly language
- Operating Systems - RTOS, Linux, Windows embedded
- Testing and Debugging techniques
- Microcontrollers and their peripherals
- Communication Protocols- SPI, I2C, UART, CAN, LIN
- Analog and digital circuitry
Common Interview Questions
Here’s a list of some typical interview questions you are likely to come across during an embedded system interview:
- What is an embedded system?
- What is the syntax used for the #define macro?
- What are some of the components of an embedded system?
- What is the difference between a microprocessor and a microcontroller?
- How do you ensure effective communication between components in an embedded system?
- What is Polling and interrupt? What is the difference between them?
- How do you simulate embedded systems?
- Explain the purpose of DMA in embedded systems.
- Explain the importance of a bootloader in embedded systems.
- What is the difference between Volatile and Non-Volatile memory?
In conclusion, interviewers usually test a candidate's knowledge about most embedded system components, programming languages, operating systems, and protocols. Hence, to pursue a successful career in the field of embedded systems, it’s essential that you thoroughly understand these topics and practice answering the interview questions mentioned above.
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