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