2.01. ARM-Cortex

  1. Draw high level diagram of ARM cortex processor and Explain? [AMD Jan-2026] [People Tech Semiconductor Pvt. Ltd-24-07-2024]
  2. What is M stands on M4 processor.[AMD Jan-2026]
  3. What is the difference between STM32 and 8085 microprocessor. [AMD Dec-2025]
  4. Draw and explain high level diagram for STM32F401RBT6 MICROCONTROLLER [AMD Dec-2025]
  5. write about Modes of ARM[Analogics Jan-2026] [Data Patterns (India) Limited-DTDS] [People Tech Semiconductor Pvt. Ltd-24-07-2024]
  6.  what is the different between Microcontroller and microprocessor ?[AMD Dec-2025][AMI-06-05-2023][Webber ][ VEM Technology]
  7.  Explain me about the how does the microcontroller works when power on?[AMD Dec-2025]
  8.  What are the boot sequence stages in micro controller ?[AMD Dec-2025]
  9. Where does startup code located in microcontroller ?[AMD Dec-2025]
  10. Does every time we ON the micro controller does stack-pointer initialization ,entire micro controller restart? similar like reset button when we press?[AMD Dec-2025]
  11.  why ARM CORTEX-M4 is used and is there any other processors? [5G Testbed]
  12. why there is different processors ARM CORTEX-A, CORTEX-M and CORTEX-R and what is their use?[5G Testbed]
  13. explain about addressing modes? [AMI-06-05-2023]
  14. what are the ARM cortex M4 registers? Define them? [Analogics-14-08-24] [People Tech Semiconductor Pvt. Ltd-24-07-2024]
    [Mirafra Jan-2026] [Data Patterns (India) Limited-DTDS]
  15. How many bits are there in an ARM processor? [Analogics-14-08-24]
  16. Explain the Thumb instruction set. [Analogics-14-08-24]
  17. What is the difference between Cortex-M0 and Cortex-M4? [Analogics-14-08-24]
  18. Explain the clock process and bus architecture in ARM. [Analogics-14-08-24]
  19. What is the difference between AHB and APB? [Analogics-14-08-24][Quanint Techsoft ][Webber]
  20. Which bus connects UART1, UART2, and UART3? [Analogics-14-08-24]
  21. Which bus connects most peripherals in a microcontroller?[Analogics-14-08-24]
  22. What is the clock speed of an RTC? [Analogics-14-08-24]
  23. What is NVIC and what is its role? [Avantel Limited] [Enfabrica Corporation]
  24. What is NVIC? What does the vector table consist of, and where is it located? [Data Patterns (India) Limited-DTDS]
  25. What is the operating clock frequency of ARM Cortex-M4? [Data Patterns (India) Limited-DTDS]
  26. What is the purpose of the NVIC in ARM Cortex-M processors?
  27. What is instruction pipelining?
  28. Draw the architecture of ARM Cortex M4 and explain each part. [Quanint Techsoft]
  29. What is ARM (Advanced RISC Machine)? What is RISC? [Sanguine Inno Tech]
  30. What is the difference between RISC and CISC architecture? [Quanint Techsoft]
  31. Which type of architecture does Cortex M4 have? [Quanint Techsoft]
  32. What is the reason for choosing Cortex M4? [Quanint Techsoft]
  33. Tell me about Von Neumann and Harvard architecture. [Webber]
  34. What are the addressing modes in 8085 and 8051? [Quanint Techsoft]
  35. What is the difference between ARM and 8085 processor? [Webber]
  36. Tell me about the registers of 8085 and ARM processors [ Webber]
  37. What are the flags in 8085? [Webber]
  38. Explain 8085 microprocessor in detail. [ Webber]
  39. Difference between direct addressing mode and indirect addressing mode in 8085. [ Webber]
  40. What is pipelining in a microprocessor?[Quanint Techsoft ][Webber]
  41. Mention the microprocessors that support pipelining.[ Quanint Techsoft]
  42. Which mechanism does Pentium have — RISC or CISC? [Team F1 Network]
  43. How clock cycle will work and per cycle how much time it takes. [ Webber]
  44. The 16-bit program counter will have how many memory units? [Team F1 Network]
  45. Explain about the 8085 in detail — functions and commands.[Webber]
  46. If I have 8 address lines, what is the size of memory?[ Webber]
  47. How many address lines does your ARM Cortex have? If I give 5 address lines, what is the size of memory? [Webber]
  48. How many data lines and address lines in STM32 (Cortex-M4)? [VEM Technology]
  49. In STM32, what are the special function registers?[ VEM Technology]
  50. What is a stack pointer? [ VEM Technology]
  51. What is a program counter? [Webber][ VEM Technology]
  52. What is an instruction set? [ VEM Technology]
  53. What is the use of ARM architecture? [Tenacity]
  54. What is the difference between ARM Cortex and STM32 controller?[ Sanguine Inno Tech]
  55. What is a microcontroller? [ Quanint Techsoft]
  56. Explain SRAM and DRAM, uses. [V ConnecT]
  57. What is cache memory? [ Webber]
  58. Explain ARM Cortex M4 architecture. [TeraScale]
  59. What are the registers of ARM Cortex M4? [TeraScale]
  60. How many registers are there in STM32F401? [TeraScale]
  61. What are the ARM instructions you know? (Tell some ARM instructions) [TeraScale]
  62. Explain MOV and MOVX instructions in Assembly Language Programming. Write syntax. [TeraScale] [TeraScale]
  63. Explain 8051 microcontroller. [TeraScale]
  64. What is the difference between 32-bit and 64-bit architecture? [TeraScale]
  65. What is PCIe? What do you know about it briefly? [TeraScale]
  66. Explain BIOS and UEFI. [TeraScale]
  67. Do you know about SOC? [TeraScale]
  68. How does the processor communicate with peripherals? [TeraScale]
  69. How does the CPU get data from FLASH or any other peripheral? [TeraScale]
  70. What is a bus? What types of buses are used in a microcontroller/processor? [Saab AB]
  71. What is a program counter?[Saab AB]
  72. What is an ARM Cortex processor? [AMD MAR-2026]
  73. How many bits are there in ARM Cortex registers? [AMD MAR-2026]
  74. What is interrupt latency? [AMD MAR-2026]
  75. What is the purpose of the link register in ARM? [AMD MAR-2026]
  76. What are the operating modes of ARM Cortex-M4? [AMD MAR-2026]
  77. Can you explain the bus matrix in ARM Cortex-M4? [AMD MAR-2026]
  78. How many address and data lines are present in STM32F401RBT6? [VEM Technologies 2026]