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From r/embedded

The 82 Most Common Embedded Interview Questions (r/embedded)

A widely-shared r/embedded community list of the questions embedded / firmware engineers get asked most — all 82 of them, each answered here with a detailed model answer. Grouped into the original 6 categories: CPU architecture, low-level C, the C library & correctness, buses & protocols (I2C, SPI, UART, CAN), memory technologies, and electronics fundamentals.

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Processor Architecture & CPU Internals

11 questions
  1. Processor Architecture & CPU Internalsfoundational
  2. Processor Architecture & CPU Internalsfoundational
  3. Processor Architecture & CPU Internalsfoundational
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  7. Processor Architecture & CPU Internalsfoundational
  8. Processor Architecture & CPU Internalsfoundational
  9. Processor Architecture & CPU Internalsfoundational
  10. Processor Architecture & CPU Internalsfoundational
  11. Processor Architecture & CPU Internalsfoundational

Low-Level C & Bit Tricks

9 questions
  1. Low-Level C & Bit Tricksfoundational
  2. Low-Level C & Bit Tricksfoundational
  3. Low-Level C & Bit Tricksfoundational
  4. Low-Level C & Bit Tricksfoundational
  5. Low-Level C & Bit Tricksfoundational
  6. Low-Level C & Bit Tricksfoundational
  7. Low-Level C & Bit Tricksfoundational
  8. Low-Level C & Bit Tricksfoundational
  9. Low-Level C & Bit Tricksfoundational

C Library & Correctness

7 questions
  1. C Library & Correctnessfoundational
  2. C Library & Correctnessfoundational
  3. C Library & Correctnessfoundational
  4. C Library & Correctnessfoundational
  5. C Library & Correctnessfoundational
  6. C Library & Correctnessfoundational
  7. C Library & Correctnessfoundational

Buses, Peripherals & Protocols

12 questions
  1. Buses, Peripherals & Protocolsfoundational
  2. Buses, Peripherals & Protocolsfoundational
  3. Buses, Peripherals & Protocolsfoundational
  4. Buses, Peripherals & Protocolsfoundational
  5. Buses, Peripherals & Protocolsfoundational
  6. Buses, Peripherals & Protocolsfoundational
  7. Buses, Peripherals & Protocolsfoundational
  8. Buses, Peripherals & Protocolsfoundational
  9. Buses, Peripherals & Protocolsfoundational
  10. Buses, Peripherals & Protocolsfoundational
  11. Buses, Peripherals & Protocolsfoundational
  12. Buses, Peripherals & Protocolsfoundational

Memory Technologies & Systems

14 questions
  1. Memory Technologies & Systemsfoundational
  2. Memory Technologies & Systemsfoundational
  3. Memory Technologies & Systemsfoundational
  4. Memory Technologies & Systemsfoundational
  5. Memory Technologies & Systemsfoundational
  6. Memory Technologies & Systemsfoundational
  7. Memory Technologies & Systemsfoundational
  8. Memory Technologies & Systemsfoundational
  9. Memory Technologies & Systemsfoundational
  10. Memory Technologies & Systemsfoundational
  11. Memory Technologies & Systemsfoundational
  12. Memory Technologies & Systemsfoundational
  13. Memory Technologies & Systemsfoundational
  14. Memory Technologies & Systemsfoundational

Electronics & Hardware Fundamentals

29 questions
  1. Electronics & Hardware Fundamentalsintermediate
  2. Electronics & Hardware Fundamentalsintermediate
  3. Electronics & Hardware Fundamentalsintermediate
  4. Electronics & Hardware Fundamentalsintermediate
  5. Electronics & Hardware Fundamentalsintermediate
  6. Electronics & Hardware Fundamentalsintermediate
  7. Electronics & Hardware Fundamentalsintermediate
  8. Electronics & Hardware Fundamentalsintermediate
  9. Electronics & Hardware Fundamentalsintermediate
  10. Electronics & Hardware Fundamentalsintermediate
  11. Electronics & Hardware Fundamentalsintermediate
  12. Electronics & Hardware Fundamentalsintermediate
  13. Electronics & Hardware Fundamentalsintermediate
  14. Electronics & Hardware Fundamentalsintermediate
  15. Electronics & Hardware Fundamentalsintermediate
  16. Electronics & Hardware Fundamentalsintermediate
  17. Electronics & Hardware Fundamentalsintermediate
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  19. Electronics & Hardware Fundamentalsintermediate
  20. Electronics & Hardware Fundamentalsintermediate
  21. Electronics & Hardware Fundamentalsintermediate
  22. Electronics & Hardware Fundamentalsintermediate
  23. Electronics & Hardware Fundamentalsintermediate
  24. Electronics & Hardware Fundamentalsintermediate
  25. Electronics & Hardware Fundamentalsintermediate
  26. Electronics & Hardware Fundamentalsintermediate
  27. Electronics & Hardware Fundamentalsintermediate
  28. Electronics & Hardware Fundamentalsintermediate
  29. Electronics & Hardware Fundamentalsintermediate

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