1.11. 2D array and DMA

  1. Create a two dimensional array by using DMA and access array[2][6] element. [AMD Jan-2026]
  2. What are library functions used in dynamic memory access [Mirafra Jan-2026] [Analogics-14-08-24]
  3. what is the difference between Malloc and Calloc [Mirafra Jan-2026] [Analogics-14-08-24] [People Tech Semiconductor Pvt. Ltd-24-07-2024]
  4. what is the return value of malloc ? why we need to typecast it [AMD Dec-2025]
  5. Different between static memory allocation and dynamic memory allocation[AMD Dec-2025]
  6. Write a program for 2D Array using DMA.[Vem Feb-2026]
  7. Allocate memory 20bytes dynamically and extend that memory to 15 bytes.[Vem Feb-2026]
  8. what is DMA, how do you allocate memory.[AMD 11-Feb-2026] [Analogics-14-08-24]
  9. How can we create Dynamically allocate memory ? [5G Testbed]
  10. Static Memory allocation vs Dynamic Memory allocation [5G Testbed] [Enfabrica] [People Tech Semiconductor Pvt. Ltd-24-07-2024]
  11. Example for static memory allocation [5G Testbed]
  12. difference between malloc and calloc? [5G Testbed][AMI][Hyundai Mobi’s]
  13. What does dynamic programming achieve? [5G Testbed]

    Improves space complexity and time complexity

    Sacrifices space complexity for time complexity

    Sacrifices time complexity for space complexity

    Sacrifices time complexity and space complexity

  14. what is Val grind. [5G Testbed] [Analogics-14-08-24][Enfabrica Corporation]
  15. How to use realloc as malloc? [5G Testbed]
  16. how would you compile if a dynamic library is present in your code? [5G Testbed]
  17. create a two dimensional array using pointers and allocate memory using DMA-int **a,a=malloc(3*2*sieof(int)) [AMI]
  18. Explain Memory leak and how to avoid. [AMI-06-05-2024 ] [Enfabrica Corporation] [GVS Deck Pvt Ltd]
  19. what is the difference between stack ,queue ,list? [AMI-06-05-2024 ]
  20. Explain memory layout, why heap section why not other section? [AMI-06-05-2024 ]
  21. will the memory allocation for arrays and malloc is same? [AMI-06-05-2023]
  22. Explain about Dynamic Memory Allocation? [AMI-06-05-2023] [Analogics-14-Aug-25] [Enfabrica]
  23. What is dynamic library? [AMI-06-05-2023]
  24. Explain about the memory layout in c? [AMI-06-05-2023] [Analogics-14-08-24]
  25. what about static and dynamic libraries and WAP for it? [AMI-06-05-2023] [Analogics-14-08-24]
  26. Create structure, and declare a structure variable and pointer using DMA and how to access members. [AMI-06-05-2023]
  27. what is DMA and difference between malloc and calloc. In which scenarios, we use calloc. [AMI-06-05-2023]
  28. using dynamic memory allocation implement integer 2d array x and y are row and column take x=2,y=3 [Ample Semi conductors]
  29. when you get the segmentation fault. [Enfabrica] [INFOBELL]
  30. Explain about Memory Management. [Enfabrica] [ Fervid Smart Solutions Pvt. Ltd-12-2025]
  31. what is the difference between malloc and calloc? [ Fervid Smart Solutions Pvt. Ltd-12-2025] [GVS Deck Pvt Ltd] [Webber Feb_25]
  32. using dynamic allocation memory create 2d array by using x=2,y=3? [Ample Semi conductors]
  33. explain about DMA and syntaxes of malloc ,calloc ,realloc ? [INNOBOX]
  34. IN dynamic memory allocation when malloc is allocated , where it store ? [INNOBOX]
    1- stack
    2-heap
    3-data
    4-none
  35. Where dynamic data is stored? [INNOBOX]
  36. create dynamic memory using function. [INNOBOX]
  37. create a string dynamically and take above given input as user input(scanf)
    and print the output string. [INFOBELL]
  38. What is the difference between Disk and Memory? [INFOBELL][INNOBOX]
  39. 1kb memory allocation using malloc? [Johnson Control]
  40. what is segmentation fault? [Johnson Control]
  41. How do you dynamically allocate a single-dimensional array?
  42. How do you dynamically allocate a multidimensional array?
  43. what is the difference between shared memory and message queues?
  44. what is the difference between static library and Dynamic library?
  45. what is the difference between static memory and Dynamic memory?
  46. What is Val grind. Why it is used? [People Tech Semiconductor Pvt. Ltd-14-04-25]
  47. Write Commands to Create Static and Dynamic Libraries [People Tech Semiconductor Pvt. Ltd-24-07-2024]
  48. Write a program to dynamically allocate memory and then free it. [Quanint Techsoft Private Limited]
  49. what is DMA  what are the modes of DMA. [TeraScale Inc]
  50. Dynamically allocate a 2D matrix using malloc() and calculate the transpose of the matrix. [TeraScale Inc] Example:
    Original Matrix:
    1 2 3
    4 5 6
  51. what is the Static and Dynamic memory difference [XBatteries 11-01-2025]
  52. malloc returns which pointer?[Webber Feb_25]
  53. What is the difference between realloc() and free?[VOLTY IOT Solutions 25-06-2025]
  54. Write a program for 2D Array using DMA.[VEM Technologies Feb_2026] Allocate memory 20bytes dynamically .And extend that memory to 15 bytes [VEM Technologies Feb_2026]
  55. Write a C program that uses malloc to create 5 dynamic arrays ,fills them with values, and prints the power of each element.[VEM Technologies 2025]
  56. Dynamically allocate a 2D matrix using malloc() and calculate/print the transpose of the matrix. [TeraScale]
  57. Allocate memory dynamically for a 2D array. [TeraScale]