1. Paging _________. A. Solves the memory fragmentation problem B. Allows modular programming C. Allows structured programming D. Avoids deadlock Answer Discus (0) Answer & Solution Answer: A . Solves the memory fragmentation problem No Solution for this Answer..! Report or Discus this Question
2. Which of the following memory allocation scheme suffers from External fragmentation? A. Segmentation B. Pure demand paging C. Swapping D. Paging Answer Discus (0) Answer & Solution Answer: A . Segmentation No Solution for this Answer..! Report or Discus this Question
3. The problem of fragmentation arises in ________. A. Static storage allocation B. Stack allocation storage C. Stack allocation with dynamic binding D. Heap allocation Answer Discus (0) Answer & Solution Answer: D . Heap allocation No Solution for this Answer..! Report or Discus this Question
4. _________ allocates the largest hole (free fragmant) available in the memory. A. Best Fit B. Worst Fit C. First Fit D. None of the above Answer Discus (0) Answer & Solution Answer: B . Worst Fit No Solution for this Answer..! Report or Discus this Question
5. Thrashing occurs ________. A. When excessive swapping takes place B. When you thrash your computer C. Whenever deadlock occurs D. When no swapping takes place Answer Discus (0) Answer & Solution Answer: A . When excessive swapping takes place No Solution for this Answer..! Report or Discus this Question
6. Thrashing ________. A. Reduces page I/O B. Decreases the degree of multiprogramming C. Implies excessive page I/O D. Improve the system performance Answer Discus (0) Answer & Solution Answer: C . Implies excessive page I/O No Solution for this Answer..! Report or Discus this Question
7. By which of following the problem of thrashing is significantly affected ? A. Program size B. Program structure C. Primary storage D. Secondary storage Answer Discus (0) Answer & Solution Answer: B . Program structure No Solution for this Answer..! Report or Discus this Question
8. If the property of locality of reference is well pronounced in a program A. The number of page faults will be more B. The number of page faults will be less C. The number of page faults will same D. None of above Answer Discus (0) Answer & Solution Answer: B . The number of page faults will be less No Solution for this Answer..! Report or Discus this Question
9. Which one is true A. The linkage editor is used to edit programs which have to later link together B. The linkage editor links object module during compiling C. The linkage editor links objects modules and resolves external references between them before loading D. None of above Answer Discus (0) Answer & Solution Answer: C . The linkage editor links objects modules and resolves external references between them before loading No Solution for this Answer..! Report or Discus this Question
10. A high paging rate A. May cause a high I/O rate B. Keeps the system running well C. Is a symptom of too much processor activity D. Always creates a slow system Answer Discus (0) Answer & Solution Answer: A . May cause a high I/O rate No Solution for this Answer..! Report or Discus this Question
11. Which scheduler performs the “swapping out” or “swapping in”? A. Long-term scheduling B. Medium-term scheduling C. Short-term scheduling D. None of the above. Answer Discus (0) Answer & Solution Answer: B . Medium-term scheduling No Solution for this Answer..! Report or Discus this Question
12. Which technique is used to temporarily removing non-active programs from the memory of computer system? A. Swapping B. Spooling C. Scheduler D. None of the above. Answer Discus (0) Answer & Solution Answer: A . Swapping No Solution for this Answer..! Report or Discus this Question
13. Where does the swap space reside? A. Disk B. ROM C. RAM D. On - chip cache Answer Discus (0) Answer & Solution Answer: A . Disk No Solution for this Answer..! Report or Discus this Question
14. Which of the following is / are the essential contents in each entry of a page table? A. Page frame number B. Virtual page number C. Access right information D. Both page frame number and virtual page number Answer Discus (0) Answer & Solution Answer: A . Page frame number No Solution for this Answer..! Report or Discus this Question
15. The term ‘page traffic’ describes A. Number of pages in memory at a given instant. B. Number of papers required to be brought in at a given page request. C. The movement of pages in and out of memory. D. Number of pages of executing programs loaded in memory. Answer Discus (0) Answer & Solution Answer: C . The movement of pages in and out of memory. No Solution for this Answer..! Report or Discus this Question
