In Fixed Partitioning, ________ will occur due to smallar page size than partition. External fragmentation can be resolved by using a technique, called ___________.
Q: The logical size of a given file is 12400 bytes in a magnetic disk with each cluster consisting of 8…
A: (a) Number of sectors in one cluster = 8 Size of each sector = 512 Bytes. So, the size of each…
Q: the First fit and Best fit partition allocation with reference to Memory Man- agement
A: Compare the First fit and Best fit partition allocation with reference to Memory Management. the…
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A: The answer is given below:
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A: Question 10. Which of the following is not correct? i) Web cache doesnt has its own disk space ii)…
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A: To find: To explain what is MMU (Memory Mgmt Unit) and its uses
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A: a. What bug in the kernel code is causing this panic? b. How should you fix it.
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A: The 24 bit logical address would be divided as 2nd level PT 1st level PT Page offset
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A: Segmented paging: It is a actual frame number with a page offset that is mapped to the memory to get…
Q: Computer Science 1. List all lines in all .c files in the current working directory that
A: Answer has been explained below:-
Q: 20. Which of the following is not a factor to consider when switching from small to large block…
A: The answer is given below.
Q: Which of the following statements is FALSE? a. The internal fragmentation can be used to grow and…
A: Internal Fragmentation : This is a concept in which the process can be allocated memory due to the…
Q: 15. which of the following best describes a partitioning approach that uses the bounds register to…
A: Note: According to the Guidelines, we can answer only one question at a time. Please re-submit your…
Q: Which of the following storage allocation schemes results in the problem of fragmentation?
A: Given: Which of the following storage allocation schemes results in the problem of fragmentation?
Q: Logic XOR operation of (11101010)2 & (10101010)2 has a result of"? Explain your answer. A page…
A: Logical XOR operation of the following : 11101010 10101010 ------------------ 01000000…
Q: The If-Modified-Since header can be used to check whether a cached page is still valid. Requests can…
A: Given: The If-Modified-Since header can be used to check whether a cached page is still valid.…
Q: d minimu
A: It is given that the file system uses contiguous allocation and the disk consists of 100 data…
Q: We know that the paging scheme suffers from internal fragmentation. S1: If the CPU attempts to…
A: Introduction: Given, Two statements based upon paging scheme, we have to find out which one is…
Q: Based on what we've learned about caches in this class, which of the following situations will cause…
A: It's called a cache conflict when a block is occupied by some information and there are other empty…
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A: b)MMU (and the kernel) translates virtual memory to real memory block which finally points to the…
Q: Question 6) Consider a "unix" filesystem where: blocks are 8KİB • block pointers are 8 Bytes. •…
A:
Q: Suppose the OS on your computer uses the Buddy system for memory management. Initially the system…
A: Buddy system:Buddy system is an allocation method in which given memory’s size is in the power of…
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A: Given : 16 B page Size(2^n)=2^4
Q: Suppose the OS on your computer uses the Buddy system for memory management. Initially the system…
A: GIVEN: Suppose the OS on your computer uses the Buddy system for memory management. Initially the…
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A: Answer: 20.19 The Uninitialized data can be backed by the demand zero memory regions in a process's…
Q: Assuming a 1-KB page size, what are the page numbers and offsets for the following address…
A: Assuming a 1-KB page size, what are the page numbers and offsets for the following address…
Q: The logical size of a given file is 12400 bytes in a magnetic disk with each cluster consisting of 8…
A: Attached Handwritten Solution:
Q: Give two reasons why caches are useful.what problem they do solve? What problem they do cause? If a…
A: Uses of cache memory: To speed up and synchronizing with high-speed CPU. To reduce the average…
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A: Number of direct addresses = 8size of file = (8*1024 + 128*1024*1024) KB = 131080MBytes.
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A: - We need to highlight the point which gets to be correct for dynamic linking. The first option…
Q: Multiple question External fragmentation exists when? a. A process has more space than its size b.…
A: External fragmentation exists when there is Enough total memory exists to satisfy a request but it…
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A: Assuming the page size to be 4KB. The calculations for physical addresses are given below: (a) VA =…
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A: 1. First we will use the direct block address. Here using 8 direct block address, we can point to…
Q: Which of the following cache replacement algorithm that replaces the block in the set that has…
A: Answer is option c LFU referred as least recently used
Q: Example-6.25 Suppose that we have a 64-bit virtual address split as follows: 6 Bito 11 Bito 11 Bito…
A: Solution :
Q: r)? Use the CLO
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Q: Suppose you have a byte-addressable virtual address me system with 8 virtual pages of 64 bytes each,…
A: Solution: Considering that it is be available 64byte = 8 pages contains so, TNB(total number of bits…
Q: The following copies the contents of RAM location 300H to RAM location 400H except O a. LFSR 1,0X300…
A: Copies the contents of RAM location 300H to RAM location 400H except
Q: 5. Which of the following is used to maintain mapping of pages to the page frames? a. Page table b.…
A: 5. Option (a) page table, because page table holds the mapping of pages to the page frames.
Q: External fragmentation exists when? the total memory is insufficient to satisfy a request a. Oba…
A: External fragmentation occurs when there is sufficient memory to fulfill the allocation request but…
Q: MCQ: Which of the following statements is FALSE? a. The internal fragmentation can be used…
A: Option c: True because in contiguous allocation method both the internal and external fragmentation…
Q: Which of the following storage allocation schemes results in the problem of fragmentation? (a)…
A: Which of the following storage allocation schemes results in the problem of fragmentation? (a)…
Q: Which of the following problems is resolved by using inverted paging as opposed to normal paging?
A: Inverted Paging: In the inverted paging technique, there is only one page entry for each and every…
Q: ) A paging scheme with THREE (3) frames initially empty are considered. Trace the allocation of…
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A: Introduction: Below the CLOCK algorithm as the buffer replacement policy.
- In Fixed Partitioning, ________ will occur due to smallar page size than partition.
- External fragmentation can be resolved by using a technique, called ___________.
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- Paging: Select all of the following statements that are true. Systems that use paging but do not support inverted page tables maintain at least one separate page table for each process. The frame table is a system-wide data structure. When paging is applied, the selected page size determines which part of a virtual address belongs to the page number and which to the offset. The page size may differ from the frame size. The Translation Look-aside Buffer (TLB) represents a page directory for all pages in the system. Paging is prone to internal fragmentation.Conflict Based on what we've learned about caches in this class, which of the following situations will cause two blocks to conflict? a) diff tag diff set, diff offset b) diff tag, diff set, same.offset c) diff tag same set, diff offset d) diff tag same set, same offset e) same tag diff set diff offset) f) same tag, diff set, same offset g) same tag, same set, diff offset h) same tag, same set, same offset please I need correct answers in 45 minutes I will give upvoteThe heart of the recent hit game SimAquarium is a tight loopthat calculates the average position of 256 algae. You areevaluating its cache performance on a machine with a 1,024-byte direct-mapped data cache with 16-byte blocks (B = 16).You are given the following definitions:1 struct algae_position {2 int x;3 int y;4 };56 struct algae_position grid[16][16];7 int total_x = 0, total_y = 0;8 int i, j;You should also assume the following:sizeof(int) = 4.grid begins at memory address 0.The cache is initially empty.The only memory accesses are to the entries of the arraygrid. Variables i, j, total_x , and total_y are storedin registers.Determine the cache performance for the following code:1 for (i = 0; i < 16; i++) {2 for (j = 0; j < 16; j++) {3 total_x += grid[i][j].x;4 }5 }67 for (i = 0; i < 16; i++) {8 for (j = 0; j < 16; j++) {9 total_y += grid[i][j].y;10 }11 }A. What is the total number of reads?B. What is the total number of reads that miss in thecache?C. What is the miss…
- 1. What are the different techniques to remove fragmentation in case of multiprogramming with variable and fixed partitions? DiscussMapping caches to memory cannot be done using __________ . multiple mapping direct mapping set associative fully associative"Spatial locality" and "temporal locality" boost performance with caches. These two events benefit caches.
- Assignment1. Contiguous Memory Allocation• Fixed Partition/Static Partition•Variable Partition/Dynamic Partition 2. Non-Contiguous Memory Allocation•Paging•Segmentation•Inverted paging•Overlays 3. Difference between Contiguous and Non-contiguous Memory Allocation These questions are from Operating System. Q: In this problem you are to compare reading a file using a single-threaded file server and a multithreaded server. It takes 15 msec to get a request for work, dispatch it, and do the rest of the necessary processing, assuming that the data needed are in a cache in main memory. If a disk operation is needed, as is the case one-third of the time, an additional 75 msec is required, during which time the thread sleeps. How many requests/sec can the server handle if it is single threaded? If it is multithreaded?Implementation of a Disk-based Buffer Pool A buffer pool is an area of main memory that has been allocated for the purpose of caching datablocks as they are read from disk. The main purpose of a buffer pool is to minimize disk I/O.Tasks: Implement a disk-based buffer pool application based on the below three buffer poolreplacement schemes: FIFO (first in, first out), LRU (least recently used), and LFU (Leastfrequently used) buffer pool replacement strategies.FIFO (First In, First Out): the oldest data block in the buffer pool is replaced.LRU (Least Recently Used): the least recently accessed data block in the buffer pool is replaced.LFU (Least Frequently Used): the least frequently accessed data block in the buffer pool isreplaced.Initially, the buffer pool is free. Disk blocks are numbered consecutively from the beginning ofthe file with the first block numbered as 0. When I execute your program,First, it asks the user to input the following parameters:o ?: number of blocks in the…
- cache.xls (or it can be a google sheet that you share with me in a cache.txt with the url in it )= a spreadsheet showing the cycle counts of a cached and non-cached machine. Also, you need to show the cache as the memory accesses progress in your program marking the hits and misses (misses in RED). You should have cells to show how many hits and how many misses your program has, and details on what is the cache replacement policy you implemented. Here is code: void c_cache_for_badge() { int na = 8, nb = -3, nc = 10; // pointers int *npa; npa = (int*)malloc(sizeof(int)*84); // init integer pointers for(int i = 0; i < 84; i++) { npa[i] = i; } // integer pointers for(int i = 9; i < 70; i= i + 3) { nb += npa[i % 5] + npa[i % 3] + npa[i % 6]; } } void main() { c_cache_for_badge(); }Allocation Methods. Explain how one can access ith block in contiguous allocation? Explain how one can access ith block in linked list allocation? Will you use linked allocation for an application with direct access? Explain. Compare FAT with I-node regarding a) RAM space requirements b) number of SEEKS required to read a Byte of information for each method. Assume a hard disk has D Blocks. how many entries will there be on FAT? Each block can hold B Bytes. It takes A Bytes to write one address. Or you can say the address pointer takes A Bytes. How many addresses can be contained in one block? How many blocks you will need to accommodate a File of F Bytes. Where F > B > A. Define and explain Bit vector and linked list approach to free-space management. Write their differences. Another set of questions I-node has file attributes. Users sometimes save same file in multiple names? In that case, do you need multiple I-nodes? yes or no- Explain your understanding. A file…We know that the paging scheme suffers from internal fragmentation. S1: If the CPU attempts to access the unused portion of the last page, the valid/invalid bits will block such accesses. S2: A possible solution to handle the internal fragmentation issue is to use multiple page sizes. which one is true.