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