... Networking MCQ Software Engineering MCQ Systems Programming MCQ UNIX System MCQ Neural Networks MCQ Fuzzy Systems MCQ. In computer science, thrashing occurs when a computer's virtual memory resources become saturated, leading to a constant state of paging, to the exclusion of most application-level processing. – low CPU utilization 27. Which of the following does not interrupt a running process? - This causes the performance of the computer to degrade or collapse. Which of the following statements are true? Thrashing occurs when When a page fault occurs Processes on system frequently access pages not memory Processes on system are in running state Processes on system are in waiting state. Assume that under identical conditions, for the same input, a program running on P2 takes 25% less time but incurs 20% more CPI (clock cycles per instruction) as compared to the program running on P1. Thrashing occurs when . 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This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Virtual Memory – Thrashing”. Operating System Objective type Questions and Answers. - Thrashing occurs when a computer's virtual memory subsystem is in a constant state of paging, rapidly exchanging data in memory for data on disk, to the exclusion of most application-level processing. This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Virtual Memory – Thrashing”. Attempt a small test to analyze your preparation level. By using our site, you Why Is There a system32 Folder in a 64-bit Operating System? Operating Systems | CPU Scheduling | Question 6, Write Interview When a page fault occurs; Processes on system frequently access pages not memory; Processes on system are in running state Please write to us at contribute@geeksforgeeks.org to report any issue with the above content. 1. , 2) b. Consider two processors P1 and P2 executing the same instruction set. A process is thrashing if _____ a) it spends a lot of time executing, rather than paging b) it spends a lot of time paging than executing c) it has no memory allocated to it … In computer science, thrashing occurs when a computer's virtual memory resources become saturated, leading to a constant state of paging, to the exclusion of most application-level processing. (B) Processes on system frequently access pages not memory , 2) b. This GATE exam includes questions from previous year GATE papers. In a virtual memory system, size of virtual address is 32-bit, size of physical address is 30-bit, page size is 4 Kbyte and size of each page table entry is 32-bit. The questions asked in this NET practice paper are from various previous year papers. Most popular in Operating Systems Questions, More related articles in Operating Systems Questions, We use cookies to ensure you have the best browsing experience on our website. In this series of MCQ Questions set you will get Multiple Choice Questions related to the topic Operating Systems, as usual in this set of MCQ Questions there are 10 MCQ Questions and four options to each questions but only one option is the correct one.Correct answer of these questions are given below of this question set. The main memory is byte addressable. When a small set of fast storage space that is supposed to be used in speeding up a larger set of slow storage space is accessed in a manner that cancels out the … This causes the performance of the computer to degrade or collapse. – operating system spends most of its time swapping to disk. (A) When a page fault occurs 27. A computer has twenty physical page frames which contain pages numbered 101 through 120. Suppose the following disk request sequence (track numbers) for a disk with 100 tracks is given: 45, 20, 90, 10, 50, 60, 80, 25, 70. Important MCQ on Related Subject ... A page fault occurs when Please use ide.geeksforgeeks.org, generate link and share the link here. In other words we can say that when page fault ratio decreases below level, it is called thrashing. A process is thrashing if _____ a) it spends a lot of time executing, rather than paging b) it spends a lot of time paging than executing c) it has no memory allocated to it … Group 1 contains some CPU scheduling algorithms and Group 2 contains some applications. When a page fault occurs; Processes on system frequently access pages not memory; Processes on system are in running state Consider a disk drive with the following specifications: 16 surfaces, 512 tracks/surface, 512 sectors/track, 1 KB/sector, rotation speed 3000 rpm. Thrashing occurs when Thrashing occurs when .