1. C. page fault When a program tries to access a page that is mapped in address space but not loaded in physical memory, then what occurs Home / All Categories / Operating System / Virtual Memory / 1. c) secondary memory Computer Architecture MCQ DBMS MCQ Networking MCQ. Cloud Computing MCQ Quiz & Online Test: Below is few Cloud Computing MCQ test that checks your basic knowledge of Cloud Computing. Dec 27,2020 - Memory Management And Virtual Memory Practice Quiz - 1 | 30 Questions MCQ Test has questions of Computer Science Engineering (CSE) preparation. 1. c) Thrashing c) Cut overwrite c) instructions Which of the following are the advantage of Demand Paging? a) Division Answer 11. a) Simple allocation b) Least Recurrently used Or, it could map to absolutely nowhere, and you have a segfault on your hands. D. None of the above. B. it is spending less time paging than executing D. Page References. C Programs. Working set model for page replacement is based on the assumption of b) Copy overwrite a) page fault occurs Cyber Crime Solved MCQs Questions Answers. b) False 21. 2. c) secondary memory, 5. C. random page 2: Some programs do not exhibit Locality of reference. Which memory allocation policy allocate the largest hole to the process? 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. 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. A. 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. Memory References A. Demand Paging Dec 28,2020 - Test: Virtual Memory | 10 Questions MCQ Test has questions of Computer Science Engineering (CSE) preparation. B. newest page 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. D. processor fault. Answer a) Memory sharing b) first page of a process b) external fragmentation B) Dynamic partitioning 13. b) Object AnswerA, 10. advertisement. Memory tables are used to … A. oldest page A computer can address more memory than the amount physically installed on the system. If page size is 100, then the reference string is? C) i, ii, iv and v only 15. d) none of the mentioned Answer c) Priority allocation, 17. C - Matrices. b) fatal error occurs a) True, 13. More efficient use of memory. a) it spends more time paging than executing c) Segmentation d) demand paging, 3. process is trash Answer A. 16. Because of virtual memory, the memory can be shared among _____ a) processes b) threads c) instructions d) none of the mentioned View Answer. a) Allocator d) none of the mentioned c) Module replacement Least frequently Used a) Frames b) Segments c) Pages d) Sheets Answer : B 33. b)Page hit D) Simple segmentation 18. This section focuses on "Virtual Memory" in Operating System. B) Dynamic partitioning 17. Unconstrained multiprogramming. D. Least Recently Used. a) memory access time b) Least Recurrently used, 16. Virtual memory typically located on . A. Best-Fit B. Worst-Fit C. First-Fit D. None of them. a)Hit miss The program is divided into operable parts called as _____. b)Cache C) Virtual memory segmentation. d) Memory control The physical memory is not as large as the address space spanned by the processor. a) cpu Which a process selects a replacement frame from the set of all frames. Virtual memory, apart from overcoming the main memory size limitation, allows sharing of main memory among processes. Page 3 7-8. 4. in which Swap space exists a) page fault occurs d)prior fragmentation Explanation: MMU stands for memory management unit. This Cloud Computing Test contains around 20 questions of multiple choice with 4 options. a) it spends more time paging than executing COW stands for? D. None of the above. 9. c) individual page of a process b) page fault rate, 7.In FIFO page replacement algorithm, when a page must be replaced what is chosen c) modularity c) Priority allocation d)Block replacement B. secondary memory b) processes, Latest posts by Prof. Fazal Rehman Shamil, Operating System Multiple Choice Questions, File system Interface MCQS Questions Answers in Operating Systems, Virtual Memory MCQS Questions Answers in Operating Systems, Process Synchronization Solved MCQs Questions Answers, Unix Operating system solved MCQ’s Questions Answers, Primary Memory Solved MCQs Questions Answers, Linux File Permissions MCQs Questions Answers, CPU Scheduling Solved MCQ’s Questions Answers, Operating System Multiple Choice Questions Answers, Comparison of fee structure of Pakistani Universities, Core Multiple Choice Questions of Software Engineering, Multiple Choice Questions (MCQs) of data and databases, Computer Science MCQs Leaks PDF EBook by Fazal Rehman Shamil, Corel DRAW Quiz Test Solved Mcqs Questions with Answers, Corel Draw MCQs for Graphic Designer Job Test, Operator overloading Solved MCQ’s (OOP), Polymorphism Mcqs In Object Oriented Programming(OOP), Social Networks MCQs Solved Questions Answers, Domain name system solved MCQs Quesitons Answers, Iterative Model MCQs Solved Questions Answers, incremental Model Solved MCQs and Questions Answers, UML diagrams solved MCQs Questions Answers. Answer: a Explanation: None. We have also provided the explanation to all the Operating Systems Virtual Memory Questions. Answer 7-7. d) Cache Important MCQ on Related Subject _____ are specially designed computer chips reside inside other devices, such as your car or your electronic thermostat. a) Swapping A way to … c) Demand Paging The strategies like the first fit, best fit and worst fit are used to select a _____. OS is hold a very good value in technical aptitudes. d)Least Recently used B. Large virtual memory. Virtual memory also permits a program’s memory to be physically noncontiguous , so that every portion can be allocated wherever space is available. 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 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. Consider the following two statements, 1: Sometimes the page fault rate is increased if the number of page frames allocated is increased. Virtual Fragmentation C. External Fragmentation D. None of them. 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. C. Most frequently Used Page Buffering algorithm In this scheme, the operating system retrieves data from secondary storage in same-size blocks called pages. Primary Memory Explanation: Swap space exists in secondary memory. Answer Answer b) Local replacement 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. Answer 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. C. page fault occurs d) locality, 11. what memory is called separation of user logical memory and physical memory C. main memory unit d)Virtual memory, 22. D. Secondary Memory, Explanation: A computer can address more memory than the amount physically installed on the system. GATE CSE MCQs. LRU stands for? What allocation uses a proportional allocation scheme using priorities rather than size. Answer A. A) Fixed partitioning 20. 7. The pager concerns with the Multiple choice questions on instruction level parallelism quiz answers PDF covers MCQ questions on … 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 Answer B. d) Compaction Reference String 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. D. All of the above. This extra memory is actually called ______________. MCQ of Computer Organization. c)Memory management A) Fixed partitioning 16. B. memory management unit Disadvantages. Explanation: The string of memory references is called reference string. 10. 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. d) none of the mentioned Internal Fragmentation B. Physical Memory a) Simple division Large virtual memory. known as d) no error occurs C - Arrays and Pointers. Answer: … b)Virtual memory Answer d)Virtual memory c) median page is chosen Q 53. d) Demand paging Answer Answer Virtual Memory c) internal fragmentation b) Logical paging B. MCQ Exam ON : Operating system mcq questions and answers . D) Simple segmentation 19. B) Simple Paging 14. b)page-fault rate d) none of the mentioned These computer memory questions and answers are very important for bank exams and other competitive exams.- Page 31 c)Buffer 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. 31. 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. 13. Virtual Memory can be implemented via? This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Memory Management”. d)swapping can not take place d) locality a) fragmentation b) least recently used algorithm Due to lack of an explicit constraint on a job’s address space size. b)Virtual memory, 12.Is logical Address space can be larger than physical address space? C. virtual memory 12,21,60,123,7,9 D. 0,2,6,12,0,0, Explanation: If page size is 100, then the reference string is 1,2,6,12,0,0. c) Thrashing, 20. select the most nearest answer for one or more physically contiguous pages. Page 2 a) True Answer 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. Answer b) random access You have to select the right answer to a question. Explanation: A process is thrashing if it is spending more time paging than executing. c) internal fragmentation, 19. d)Page fault, 2.a process is copied into the main memory from the secondary memory Any program, no matter how small, occupies an entire partition. When there is enough memory to fit a process in memory, but the space is not contiguous we need A. 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. 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