virtual memory is mcq

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

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