b)External Fragmentation d) demand paging, 3. process is trash c) Thrashing Networking MCQ Software Engineering MCQ Systems Programming MCQ UNIX System MCQ Neural Networks MCQ Fuzzy Systems MCQ. a) memory access time Physical Memory This section focuses on "Virtual Memory" in Operating System. Consider the following two statements, 1: Sometimes the page fault rate is increased if the number of page frames allocated is increased. A way to … Disadvantages. 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Virtual memory also permits a program’s memory to be physically noncontiguous , so that every portion can be allocated wherever space is available. b)Virtual memory, 12.Is logical Address space can be larger than physical address space? 7-8. C. page fault Operating Systems Virtual Memory MCQ Quiz Answers with Solutions If the postulates are not sure about the answer, then click on the View Answer button to know it. B) Dynamic partitioning 13. There is no limit on degree of multiprogramming. D) Simple segmentation 18. a) True b) False Answer a) True. B. the memory size C. the CPU utilization D. the number of partitions E. both a and b F. None of these Answer D. SET 3: Memory Management Mcqs. c) Thrashing, 20. select the most nearest answer for one or more physically contiguous pages. You have to select the right answer to a question. 4. in which Swap space exists Virtual Memory can be implemented via? Or, it could map to absolutely nowhere, and you have a segfault on your hands. a) it spends more time paging than executing Demand Paging a) fragmentation c) Demand Paging Virtual memory is – (1) an extremely large main memory (2) an extremely large secondary memory (3) an illusion of an extremely large memory (4) a type of memory used in super computers (5) None of these Ans- B 22. a) additional reference bit algorithm These computer memory questions and answers are very important for bank exams and other competitive exams.- Page 31 Answer Which memory allocation policy allocate the largest hole to the process? c) secondary memory Page Replacement Solution: In computer operating systems, paging is a memory management scheme by which a computer stores and retrieves data from secondary storage for use in main memory. B. c) Priority allocation The virtual memory is Use of icons and windows are characteristics of .. interface Which is built directly on the hardware? c)Memory management A) Fixed partitioning 12. When a program tries to access a page that is mapped in address space but not loaded in physical memory, then what occurs While executing a program, if the program references a page which is not available in the main memory then it is known as? b) newest page is chosen c) hit ratio A. Best-Fit B. Worst-Fit C. First-Fit D. None of them. Answer 7-9. Which of the following are the advantage of Demand Paging? Answer d) Complex division a) Division d)Page fault, 2.a process is copied into the main memory from the secondary memory Answer d)Least Recently used If page size is 100, then the reference string is? Any program, no matter how small, occupies an entire partition. 1. d) Demand paging Answer b) Local replacement d) first in first out algorithm B. This chapter cater to you MCQ and aptitude questions and answers on Operating System. c) modularity 13. This extra memory is actually called virtual memory, A. memory mapping unit D. swapping can not take place. The techniques which move the program blocks to or from the physical memory is called as _____. Virtual Memory MCQs Questions Answers in Operating Systems is the set of important MCQs of virtual memory. b) least recently used algorithm b) fatal error occurs d)prior fragmentation a) threads When there is enough memory to fit a process in memory, but the space is not contiguous we need A. a)globalization 12.Is logical Address space can be larger than physical address space? The strategies like the first fit, best fit and worst fit are used to select a _____. 1,2,6,12 Primary Memory Virtual memory typically located on . a) it spends more time paging than executing Memory Management multiple choice questions and answers on Memory Management MCQ questions quiz on Memory Management objectives questions. Dec 28,2020 - Test: Virtual Memory | 10 Questions MCQ Test has questions of Computer Science Engineering (CSE) preparation. Number of tables and amount of processor overhead for handling page interrupts are greater than in the case of the simple paged management techniques. c)Buffer a) oldest page is chosen C. Logical Memory C - Arrays and Pointers. c) Cut overwrite d)swapping can not take place A) Fixed partitioning 16. D. None of the above. Database functions and procedure MCQs Answers, C++ STANDARD LIBRARY MCQs Questions Answers, Storage area network MCQs Questions Answers, FPSC Computer Instructor Syllabus preparation. b) random access Q 53. Because of virtual memory, the memory can be shared among _____ a) processes b) threads c) instructions d) none of the mentioned View Answer. Number 2 is certaintly not true. c) internal fragmentation Consider a virtual memory system that uses First In First Out (FIFO) page replacement policy and it allocates a fixed number of frames to a process. c) segmentation fault occurs 3. C) i, ii, iv and v only 15. B. it is spending less time paging than executing 21. d) Compaction D. Page References. Answer: a Explanation: None. b) processes Cloud Computing MCQ Quiz & Online Test: Below is few Cloud Computing MCQ test that checks your basic knowledge of Cloud Computing. 16. These computer memory questions and answers are very important for bank exams and other competitive exams. Explanation: While executing a program, if the program references a page which is not available in the main memory because it was swapped out a little ago, the processor treats this invalid memory reference as a page fault. c) Slab In virtual memory systems, Dynamic address translation A) is the hardware necessary to implement paging B) stores pages at a specific location on disk C) is useless when swapping is used Solution: The Memory Address Register contains the address of the memory location that is to be read from or stored into. c) Slab a) True b)page-fault rate Programs access virtual memory naively; the abstraction (virtual memory) distinguishes between virtual memory locations that map directly to physical locations, and those that map to secondary memory locations. b) Copy overwrite C. Memory References c) Segmentation C Programs. a) Global replacement, 18. d) locality, 11. what memory is called separation of user logical memory and physical memory View Answer b) page fault rate, 7.In FIFO page replacement algorithm, when a page must be replaced what is chosen B) Dynamic partitioning 17. d)Block replacement 6. consider the following sequence of addresses : 123,215,600,1234,76,96. c) Demand Paging, 14. Page 3 12,21,60,123,7,9 Working set model for page replacement is based on the assumption of Explanation: First In First Out (FIFO) algorithm : Oldest page in main memory is the one which will be selected for replacement. b)Cache d) Copy overwrite, 15. By checking the below-provided Operating Systems Virtual Memory Questions, the applicants can know about the topic. Multiple choice questions on instruction level parallelism quiz answers PDF covers MCQ questions on … The physical memory is not as large as the address space spanned by the processor. d)Page fault Answer Explanation: MMU stands for memory management unit. b) False a) cpu d) none of the mentioned B. memory management unit a) Paging b) Demand paging c) Segmentation d) Swapping View Answer. This section focuses on "Virtual Memory" in Operating System. b) it spends less time paging than executing a) Swapping MCQ of Computer Organization. MCQ Exam ON : Operating system mcq questions and answers . Large virtual memory. C) Virtual memory segmentation. operating system questions answers mcq listing is useful for it officer bank exam and other information technology related online exam and interview preparation - question 12 a) page fault occurs b) first page of a process D. All of the above. Answer A process is thrashing if ____________, A. it is spending more time paging than executing When virtual memory is mapped to a disk file that is not the page file(s), the memory is not backed by a page file. a) entire thread Operating System MCQ - Virtual Memory. Cyber Crime Solved MCQs Questions Answers. C. virtual memory B. Virtual memory, apart from overcoming the main memory size limitation, allows sharing of main memory among processes. Answer: … In FIFO, ______ in main memory is the one which will be selected for replacement. A. C. random page Memory tables are used to … Effective access time is directly proportional to A. oldest page b)Virtual memory a)Hit miss d) entire process C - Matrices. D. Least Recently Used. b) Least Recurrently used, 16. Dec 27,2020 - Memory Management And Virtual Memory Practice Quiz - 1 | 30 Questions MCQ Test has questions of Computer Science Engineering (CSE) preparation. Virtual memory in Windows can be mapped to more than one process, and when that is done, the virtual memory is shared between or among the processes. 4. Explanation: Swap space exists in secondary memory. Answer c) Priority allocation, 17. AnswerA, 10. Reference strings are generated artificially or by tracing a given system and recording the address of each memory reference. b) File allocation a) Memory sharing A. c) counting based page replacement algorithm Answer Multiple choice questions on exploiting memory quiz answers PDF covers MCQ questions on Introduction of memory, virtual memory, memory hierarchies framework, caches and cache types, fallacies and pitfalls, measuring and improving cache performance, Pentium p4 and AMD Opteron memory. c) page fault occurs More efficient use of memory. B. newest page 31. 1. Explanation: A process is thrashing if it is spending more time paging than executing. Answer Virtual Memory can be implemented via? a) Simple division a) True b) False Answer : A 32. D. Secondary Memory, Explanation: A computer can address more memory than the amount physically installed on the system. 9. Explanation: Following are the advantages of Demand Paging : Large virtual memory, More efficient use of memory, There is no limit on degree of multiprogramming. C) i, iii and iv only 11. a) Global replacement Which a process selects a replacement frame from the set of all frames. 7-7. d)Virtual memory Answer A. GATE CSE MCQs. Answer d) locality What allocation uses a proportional allocation scheme using priorities rather than size. C. page fault occurs A computer can address more memory than the amount physically installed on the system. Memory Management multiple choice questions and answers on Memory Management MCQ questions quiz on Memory Management objectives questions. Important MCQ on Related Subject _____ are specially designed computer chips reside inside other devices, such as your car or your electronic thermostat. This facilitates process relocation. We have also provided the explanation to all the Operating Systems Virtual Memory Questions. c) median page is chosen D. processor fault. b) primary memory D. 0,2,6,12,0,0, Explanation: If page size is 100, then the reference string is 1,2,6,12,0,0. OS is hold a very good value in technical aptitudes. a) oldest page is chosen, 8. whenever the page required to be replaced which algorithm chooses the page that has not been used for the longest period of time? 2: Some programs do not exhibit Locality of reference. 11. The memory can be shared among ,because of virtual memory c)Page miss 11. what memory is called separation of user logical memory and physical memory a) Memory sharing b)Virtual memory c)Memory management d) Memory control Answer b)Virtual memory. In this scheme, the operating system retrieves data from secondary storage in same-size blocks called pages. Page Buffering algorithm Hello Friends,this particular section is well focused on the Frequently asked Operating System Basics Multiple Choice Questions Answers in various competitive exams.This set of questions are very basic and easily understandable by students.we have kept the questions hardness level to very basic. D. CPU. This test is Rated positive by 91% students preparing for Computer Science Engineering (CSE).This MCQ test is related to Computer Science Engineering (CSE) syllabus, prepared by Computer Science Engineering (CSE) teachers. _____ is the concept in which a process is copied into the main memory from the secondary memory according to the requirement. A. B. b)least recently used algorithm, 9. D. None of the above. LRU stands for? Page-7 section-1 Answer This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Memory Management”. A. 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