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

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