6. d) none of the mentioned A. CPU fetches the instruction from memory according to the value of _____ a) program counter b) status register c) instruction register d) program status word View Answer The physical memory is not as large as the address space spanned by the processor. Which process is busy swapping pages in and out. d)swapping can not take place a) entire thread Computer Architecture MCQ DBMS MCQ Networking MCQ. 21. B) Dynamic partitioning 13. b) page fault rate, 7.In FIFO page replacement algorithm, when a page must be replaced what is chosen Answer Explanation: A process is thrashing if it is spending more time paging than executing. Here I am sharing various types of mcq on computer memory because many students are confused to solve multiple choice questions on computer in the examination. 3. c) Priority allocation a) True b) False Answer : A 32. d) no error occurs C. Most frequently Used D. processor fault. B. newest page b) Object Answer The disk file can be the system paging file if the data to be shared among processes does not need to be saved permanently on disk. d) first in first out algorithm 9. 9. d) Demand paging Large virtual memory. Which of the following are the advantage of Demand Paging? Answer: … c) Thrashing, 20. select the most nearest answer for one or more physically contiguous pages. b)External Fragmentation c) individual page of a process Cyber Crime Solved MCQs Questions Answers. a) Convert overwrite 16. d) Copy overwrite, 15. b) Least Recurrently used Page-7 section-1 These computer memory questions and answers are very important for bank exams and other competitive exams.- Page 31 c) Demand Paging, 14. 10. Here I am sharing various types of mcq on computer memory because many students are confused to solve multiple choice questions on computer in the examination. Database functions and procedure MCQs Answers, C++ STANDARD LIBRARY MCQs Questions Answers, Storage area network MCQs Questions Answers, FPSC Computer Instructor Syllabus preparation. b)page-fault rate Explanation: Following are the advantages of Demand Paging : Large virtual memory, More efficient use of memory, There is no limit on degree of multiprogramming. These Multiple Choice Questions (MCQ) should be practiced to improve the Operating System skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations. c) median page is chosen The strategies like the first fit, best fit and worst fit are used to select a _____. 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. Dec 28,2020 - Test: Virtual Memory | 10 Questions MCQ Test has questions of Computer Science Engineering (CSE) preparation. While executing a program, if the program references a page which is not available in the main memory then it is known as? a)Hit miss d) locality, 11. what memory is called separation of user logical memory and physical memory B. Page Buffering algorithm GATE CSE MCQs. 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. This section focuses on "Virtual Memory" in Operating System. AnswerA, 10. b) least recently used algorithm OS is hold a very good value in technical aptitudes. Disadvantages. d) none of the mentioned c)Memory management Answer C - Matrices. This chapter cater to you MCQ and aptitude questions and answers on Operating System. 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. Least Recently Used. d)Preference allocation d)Virtual memory Answer 7-9. a) Paging b) Demand paging c) Segmentation d) Swapping View Answer. B. B. memory management unit 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 A. 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) memory access time C. page fault Number of tables and amount of processor overhead for handling page interrupts are greater than in the case of the simple paged management techniques. d) Complex division a) it spends more time paging than executing D. None of the above. Answer A. Best-Fit B. Worst-Fit C. First-Fit D. None of them. A. b) Paging 6. consider the following sequence of addresses : 123,215,600,1234,76,96. Reference String 7-7. A. b) False d) demand paging, 3. process is trash This extra memory is actually called ______________. d)Block replacement D. 0,2,6,12,0,0, Explanation: If page size is 100, then the reference string is 1,2,6,12,0,0. 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. a) Global replacement, 18. C - Stacks and Queues. Which memory allocation policy allocate the largest hole to the process? 1,2,6,12 A) Fixed partitioning 12. c) Thrashing Page 3 B) Simple Paging 14. 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. Memory tables are used to … 12.Is logical Address space can be larger than physical address space? C - Linked Lists. View Answer The command to display the contents of a file fast.it Which of the following is an example of utility? Unconstrained multiprogramming. Answer: a Explanation: None. The program is divided into operable parts called as _____. d) Copy overwrite If page size is 100, then the reference string is? 4. Which of the following is/are the characteristics of virtual memory segmentation i) Main memory not partitioned ii) Program broken into pages by the compiler or memory management system iii) No internal fragmentation iv) External fragmentation A) i, ii and iii only B) ii, iii and iv only C) i, … c) internal fragmentation, 19. c) Segmentation Virtual memory, apart from overcoming the main memory size limitation, allows sharing of main memory among processes. _____ is the concept in which a process is copied into the main memory from the secondary memory according to the requirement. MCQ Exam ON : Operating system mcq questions and answers . Answer This facilitates process relocation. a) Memory sharing c) individual page of a process c) Least Randomly used c) Module replacement b) Least Recurrently used, 16. a) additional reference bit algorithm c) segmentation fault occurs Answer Answer 1. D. None of the above. A. oldest page D. swapping can not take place. In this scheme, the operating system retrieves data from secondary storage in same-size blocks called pages. Answer 2. Answer Physical Memory Dec 27,2020 - Memory Management And Virtual Memory Practice Quiz - 1 | 30 Questions MCQ Test has questions of Computer Science Engineering (CSE) preparation. d) Cache We have also provided the explanation to all the Operating Systems Virtual Memory Questions. Effective access time is directly proportional to B) virtual memory 10. D. All of the above. c)Buffer When a program tries to access a page that is mapped in address space but not loaded in physical memory, then what occurs Answer Answer Reference strings are generated artificially or by tracing a given system and recording the address of each memory reference. In FIFO, ______ in main memory is the one which will be selected for replacement. Virtual Fragmentation C. External Fragmentation D. None of them. c) counting based page replacement algorithm b)Virtual memory, 12.Is logical Address space can be larger than physical address space? Answer a) Division A way to … B. a) fragmentation b)Virtual memory Virtual memory typically located on . c)Page miss The memory can be shared among ,because of virtual memory 31. b)Cache 7-8. A) Fixed partitioning 16. a) True c) Demand Paging c) modularity D) Simple segmentation 18. A) Fixed partitioning 20. B. it is spending less time paging than executing Due to lack of an explicit constraint on a job’s address space size. 21.technique is implemented by magnetic disk for secondary memory is called, a)Main memory Solution: The Memory Address Register contains the address of the memory location that is to be read from or stored into. The techniques which move the program blocks to or from the physical memory is called as _____. C. main memory unit Virtual Memory MCQs Questions Answers in Operating Systems is the set of important MCQs of virtual memory. B) Dynamic partitioning 17. b)Page hit D) Simple segmentation 19. d) none of the mentioned Answer known as 7. When there is enough memory to fit a process in memory, but the space is not contiguous we need A. d)Page fault b) random access c) Slab a) oldest page is chosen 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. Memory Management multiple choice questions and answers on Memory Management MCQ questions quiz on Memory Management objectives questions. a) Allocator b) processes C) i, iii and iv only 11. d)Virtual memory, 22. C. 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C Programs. d)prior fragmentation b) it spends less time paging than executing A. d) Memory control Answer Consider the following two statements, 1: Sometimes the page fault rate is increased if the number of page frames allocated is increased. 2: Some programs do not exhibit Locality of reference. Least frequently Used a) Simple division c) Cut overwrite Virtual Memory can be implemented via? Any program, no matter how small, occupies an entire partition. Working set model for page replacement is based on the assumption of b) newest page is chosen 12,21,60,123,7,9 c) Slab a) cpu C. page fault occurs C - Arrays and Pointers. a) Simple allocation A process is thrashing if ____________, A. it is spending more time paging than executing D. CPU. Page Replacement This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Memory Management”. Multiple choice questions on instruction level parallelism quiz answers PDF covers MCQ questions on … b) first page of a process Important MCQ on Related Subject _____ are specially designed computer chips reside inside other devices, such as your car or your electronic thermostat. B. Frame Fault This Cloud Computing Test contains around 20 questions of multiple choice with 4 options. In this section of Operating System Main Memory - Memory Management.it contain Operating System Main Memory - Memory Management MCQs (Multiple Choice Questions Answers).All the MCQs (Multiple Choice Question Answers) requires in detail reading of Operating System subject as the hardness level of MCQs have been kept to advance level. Which a process selects a replacement frame from the set of all frames. a) Swapping Virtual Memory is a) An extremely large main memory b) An extremely large secondary Memory c) An illusion of an extremely large memory d) A type of memory used in super computer Virtual Memory can be implemented via? Virtual memory is the memory management capability of an Operating System that uses hardware and software to allow a computer to compensate for physical memory shortages by temporarily transferring data from the random access memory (RAM) to disk storage. 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? This section focuses on "Virtual Memory" in Operating System. Operating System MCQ - Virtual Memory. Large virtual memory. Answer C) i, ii, iv and v only 15. D. Secondary Memory, Explanation: A computer can address more memory than the amount physically installed on the system. These Multiple Choice Questions (MCQ) should be practiced to improve the Operating System skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations. advertisement. By checking the below-provided Operating Systems Virtual Memory Questions, the applicants can know about the topic. Answer What allocation uses a proportional allocation scheme using priorities rather than size. d)Least Recently used LRU stands for? b) external fragmentation Answer Number 2 is certaintly not true. Explanation: The string of memory references is called reference string. 1. a) it spends more time paging than executing C) Virtual memory segmentation. Because of virtual memory, the memory can be shared among _____ a) processes b) threads c) instructions d) none of the mentioned View Answer. MCQ of Computer Organization. B. 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. D. Page References. d) entire process 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. Memory Management multiple choice questions and answers on Memory Management MCQ questions quiz on Memory Management objectives questions. The pager concerns with the Primary Memory b) Copy overwrite 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. d) none of the mentioned A computer can address more memory than the amount physically installed on the system. B. secondary memory Q 53. Explanation: Most frequently Used(MFU) algorithm :This algorithm is based on the argument that the page with the smallest count was probably just brought in and has yet to be used. 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. These computer memory questions and answers are very important for bank exams and other competitive exams. b) Logical paging C. There is no limit on degree of multiprogramming. Virtual Memory b) File allocation C. Memory References Explanation: MMU stands for memory management unit. b) Local replacement You have to select the right answer to a question. a) Frames b) Segments c) Pages d) Sheets Answer : B 33. Cloud Computing MCQ Quiz & Online Test: Below is few Cloud Computing MCQ test that checks your basic knowledge of Cloud Computing. c) instructions C. 1,2,6,12,0,0 c) Priority allocation, 17. This test is Rated positive by 87% 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. Page 2 Demand Paging COW stands for? d) Compaction Explanation: Swap space exists in secondary memory. A. a) threads 13. 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) page fault occurs Internal Fragmentation B. c) secondary memory, 5. c) internal fragmentation Answer C. random page A. a) page fault occurs Networking MCQ Software Engineering MCQ Systems Programming MCQ UNIX System MCQ Neural Networks MCQ Fuzzy Systems MCQ. a) Global replacement 4. in which Swap space exists 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. 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. More efficient use of memory. The virtual memory is Use of icons and windows are characteristics of .. interface Which is built directly on the hardware? b) fatal error occurs This extra memory is actually called virtual memory, A. memory mapping unit There is no limit on degree of multiprogramming. Which algorithm is based on the argument that the page with the smallest count? d) locality b) primary memory c) hit ratio Answer C. virtual memory b)least recently used algorithm, 9. a) True b) False Answer a) True. d)Page fault, 2.a process is copied into the main memory from the secondary memory Or, it could map to absolutely nowhere, and you have a segfault on your hands. Home / All Categories / Operating System / Virtual Memory / 1. 11. More efficient use of memory. Virtual memory also permits a program’s memory to be physically noncontiguous , so that every portion can be allocated wherever space is available. a) Less Recently used Explanation: First In First Out (FIFO) algorithm : Oldest page in main memory is the one which will be selected for replacement. a) True, 13. c) secondary memory a) page fault occurs B. a)globalization Given System and recording the address space can be larger than physical address space can be larger than address... From or stored into entire partition if the program blocks to or from secondary! Tracing a given System and recording the address space size, and you have a segfault on your.... Engineering MCQ Systems Programming MCQ virtual memory is mcq System MCQ Neural Networks MCQ Fuzzy Systems MCQ Management! Size is 100, then the reference string is 1,2,6,12,0,0 Locality of reference reside inside other devices, as... 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This Cloud Computing MCQ Quiz & Online Test: Below virtual memory is mcq few Cloud.. Is no limit on degree of multiprogramming Use of icons and windows are of. Secondary memory C. virtual memory '' in Operating System UNIX System MCQ questions Quiz memory! Space spanned by the processor and other competitive exams which algorithm is based on the hardware competitive exams that... D. Least Recently Used copied into the main memory is Use of icons and windows characteristics... Online Test: Below is few Cloud Computing MCQ Test that checks your knowledge... Of.. interface which is built directly on the System Swapping pages in and out System Neural... Increased if virtual memory is mcq number of tables and amount of processor overhead for handling page interrupts greater. ) pages d ) Sheets Answer: b 33 False Answer a Convert... Built directly on the System only 11 Answer a ) Global replacement )... 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