MCQOPTIONS
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MCQOPTIONS
This section includes 68 Mcqs, each offering curated multiple-choice questions to sharpen your C Programming knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
An innovation that improves both dependability and performance of storage systems is |
| A. | Frame array |
| B. | Disk arrays |
| C. | Optimizer |
| D. | All above |
| Answer» C. Optimizer | |
| 52. |
One of the most widely used exponential distributions is called a |
| A. | Passion distribution |
| B. | Possible distribution |
| C. | Poisson distribution |
| D. | Poisson association |
| Answer» D. Poisson association | |
| 53. |
Redundant disk arrays have become known, by the acronym |
| A. | SAID |
| B. | RED |
| C. | RAID |
| D. | DIMM |
| Answer» D. DIMM | |
| 54. |
Spreading data over multiple disks, called |
| A. | Striping |
| B. | Disk arrays |
| C. | Window |
| D. | Areal density |
| Answer» B. Disk arrays | |
| 55. |
................. is the time required to move the disk arm to the required track. |
| A. | Seek time |
| B. | Rotational delay |
| C. | Latency time |
| D. | Access time |
| Answer» B. Rotational delay | |
| 56. |
What is the effect of using a larger block size in a fixed block size file system? |
| A. | It leads to poorer disk throughput and poorer disk space utilization |
| B. | It leads to poorer disk throughput but better disk space utilization |
| C. | It leads to better disk throughput and better disk space utilization |
| D. | It leads to better disk throughput and poorer disk space utilization |
| Answer» E. | |
| 57. |
Dynamic allocation of storage areas with VSAM files is accomplished by |
| A. | hashing |
| B. | control splits |
| C. | over flow areas |
| D. | relative recording |
| Answer» C. over flow areas | |
| 58. |
Root directory of a disk should be placed |
| A. | at the fixed address in the main memory |
| B. | at a fixed location on the disk |
| C. | at the fixed location on system disk |
| D. | anywhere on the disk |
| Answer» C. at the fixed location on system disk | |
| 59. |
Consider a system with 32 bit virtual addresses and 1 kbyte page size. Why is it not possible to use one - level page tables for virtual to physical address translation? |
| A. | The amount of external fragmentation |
| B. | The amount of internal fragmentation |
| C. | The large computation overhead in the translation process |
| D. | The large memory overhead in maintaining page tables |
| Answer» E. | |
| 60. |
Which of the following file name extension suggests that the file is Backup copy of another file ? |
| A. | TXT |
| B. | COM |
| C. | BAS |
| D. | BAK |
| Answer» E. | |
| 61. |
In memory management , a technique called as paging, physical memory is broken into fixed-sized blocks called ___________. |
| A. | Pages |
| B. | Frames |
| C. | Blocks |
| D. | Segments |
| Answer» C. Blocks | |
| 62. |
Disk scheduling involves deciding ? |
| A. | which disk should be accessed next |
| B. | the order in which disk access request should be made |
| C. | physical location of files |
| D. | type of disks a system should have |
| Answer» C. physical location of files | |
| 63. |
CPU can access which type of memory directly? |
| A. | random-access memory |
| B. | magnetic disk |
| C. | magnetic tape |
| D. | None of the above |
| Answer» B. magnetic disk | |
| 64. |
It is for the syntax correctness |
| A. | It is for the type-casting |
| B. | It is to inform malloc function about the data-type expected |
| C. | None of the mentioned |
| Answer» D. | |
| 65. |
Memory allocation using malloc() is done in _________ |
| A. | Static area |
| B. | Stack area |
| C. | Heap area |
| D. | Both Stack & Heap area |
| Answer» D. Both Stack & Heap area | |
| 66. |
In function free(p), p is a _______ |
| A. | int |
| B. | Pointer returned by malloc() |
| C. | Pointer returned by calloc() |
| D. | Pointer returned by malloc() & calloc() |
| Answer» B. Pointer returned by malloc() | |
| 67. |
calloc() returns a storage that is initialized to. |
| A. | Zero |
| B. | Null |
| C. | Nothing |
| D. | One |
| Answer» B. Null | |
| 68. |
void * malloc(size_t n) returns? |
| A. | Pointer to n bytes of uninitialized storage |
| B. | NULL if the request can be satisfied |
| C. | Nothing |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |