Advanced Embedded Systems Interview Questions

Advanced Embedded Systems Technical Interview Questions for Experienced | Embedded Systems VIVA Interview Questions for Freshers


Embedded Systems Interview QuestionsEmbedded systems interview questions are now available here for freshers and experienced candidates. Candidates who are attending for a technical interview in any Embedded Systems based company, these questions may help them in their preparation. Also, the below listed questions will help students in getting a good score in their embedded system VIVA interview.
VLSI Interview Questions>>


  1. What is the difference between a microprocessor and a microcontroller?
  2. When would someone opt for a microprocessor instead of a microcontroller for building a system?
  3. What are the typical characteristics of Embedded Systems?
  4. What are the major challenges that one would face when building an Embedded System?
  5. Differentiate general pupose system and embedded system?
  6. What is a register and what is it made for?
  7. What is the program counter used for?
  8. What is the use of Stack Pointer?
  9. What is the size of stack pointer? Can we change the size?
  10. What is the real-time operating system?
  11. What is the role of a bus in a microprocessor?
  12. What is Address Latch Enable(ALE) and how is it useful?
  13. What is an Accumulator?
  14. What is the use of G.P.R and list the GPR's available in 8085?
  15. What is an Interrupt?
  16. Define Interrupt latency?
  17. What is polling and What is the difference between Interrupt and Polling?
  18. How is timer different from the counter?
  19. Do we have different IC's for timer and counter available?
  20. What are flags and why are they needed?
  21. What are the different types of addressing modes?
  22. What is the instruction decoder?
  23. What is 8259 Microcontroller?
  24. What is RISC and What is CISC, Explain the difference?
  25. Which architecture is used in the ARM?
  26. What is the purpose of CPSR in the ARM?
  27. How can we set thumb state and JAZELLE state?
  28. What are the multi-rated characteristics in Embedded Systems?
  29. Explain ROM, ALU, Assembler?
  30. What are the four primary operations of a microprocessor?
  31. What are opcode and operand?
  32. Explain machine control operation?
  33. How is instruction set classified?
  34. Explain Partial Decoding?
  35. What is Set Interrupt Mask(SIM)?
  36. Which are the operating modes for 8255/PPI?
  37. What is parallel to serial conversion and Viceversa?
  38. What are USART, SPI, and I2C protocols?
  39. Explain A/D and D/A converter?
  40. What are the characteristics of memory mapped I/O?
  41. What is the design metric?
  42. Differentiate between nMOS and pMOS transistor?
  43. What is the purpose of datapath of the controller?
  44. Define PROM, EPROM, EEPROM, and Flash EEPROM?
  45. Define SRAM, DRAM, PSRAM, and NVRAM?
  46. Differentiate between port-based I/O and bus-based I/O?
  47. Differentiate open, loop and closed loop control systems?
  48. Describe the eight parts of a closed loop system?
  49. Explain Pulse width modulator?
  50. What are the parallel protocols used in Embedded Systems?

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