Question 3: Assumption: 4-KB blocks and 4- byte disk addresses. File system implementation: a. Given a flename in a directory's data block, how does OS locate the data block of a file? b. Compare between direct pointers and indirect pointers in referencing data blocks.

Q: Byte and that a disk address is 4 bytes. Suppose that files are implemented using i-nodes, and that…

A: Below we find the maximum file size to support:…

Q: Assumption: 4-KB blocks and 4-byte disk addresses Given a 6GB file, identify the number of index…

A: A pointer that points to a block of pointers that point to other blocks of pointers that then point…

Q: A file system with 300 GByte disk uses a file descriptor with 8 direct block addresses, I indirect…

A: Introduction :Disk Space = 300 GBDirect address block = 81 doubly indirect block addresssize of each…

Q: A file system with 300 GByte disk uses a file descriptor with 8 direct block addresses, I indirect…

A: The question is to find the maximum possible file size in this file system for thr given…

Q: A file system with 300 GByte disk uses a file descriptor with 8 direct block addresses, I indirect…

A:

Q: What is buffering? a. The blocks read from disk are directly accessed b. The blocks read from disk…

A: Given : What is buffering?

Q: Each inode in a file system has 5 direct pointers to disk blocks, 3 single-indirect pointers to disk…

A: Given:

Q: how is shared memory implemented using memory-mapped files? A, by having the communicating…

A: Here is the explanation:

Q: Storing all blocks of a large file on consecutive disk blocks would minimizeseeks during sequential…

A: It is beneficial to store a large file on consecutive files but it is not practically possible…

Q: 23. A file system with 300 GByte uses a file descriptor with 8 direct block address. 1 indirect…

A: Introduction

Q: Suppose that a block is 1K Byte and that a disk address is 4 bytes. Suppose that files are…

A: file: Collection of logically related entites. All attributes of file are called file context.

Q: Suppose that a block is 1K Byte and that a disk address is 4 bytes. Suppose that files are…

A: Introduction:Given,block size = 1K Bytedisk address = 4 bytesand using given info of file system we…

Q: A post calculation strategy for a factory indicates a disk with 200 blocks. Assuming, that the file…

A: Given table contains 5 files, x1, x2, x3, x4 and x5. Each file have their length and starting…

Q: Please help me in this question: 17/ To access a particular piece of data, the CPU first sends a…

A: To access a particular piece of data, the CPU first sends a request to its nearest memory, usually…

Q: 4. What do you think is the possible reason why Process 2 was pulled/swapped out (e) of the memory?…

A: Dynamic partitioning means the blocks in the memory are not fixed size and this is flexible for any…

Q: Suppose that we have a magnetic disk with the following structure: Each sector is fixed at 512…

A: a) Number of sectors in one cluster = 4 Size of each sector = 512 Bytes Size of each cluster =…

Q: Write short notes on any 4 of the following: [4x4] a. Thrashing b. Three allocation methods which…

A: Solution:

Q: Which of the following are some of the benefits and drawbacks of caching disk write operations?

A: A disc cache is a data storage method that reduces the time required to read from or write to a hard…

Q: a) Which bit in the PTE does the operating system use for approximating LRU replacement? b) Does a…

A: (a) Page Table Entries: The page table has page table entries where a frame number and optional…

Q: A post calculation strategy for a factory indicates a disk with 200 blocks. Assuming, that the file…

A: There are mainly three file allocation methods are present, that are: Contiguous allocation Linked…

Q: Consider a file system that uses inodes to represent files. Disk blocks are 16 KB in size, and a…

A: The maximum size of a file that can be stored in this file system is asked. Given data, Size of disk…

Q: I'm wondering what sort of file access pattern would be the most appropriate for chained file…

A: Introduction: A file access definition can limit access to data in specified tables and columns and…

Q: Most of a basic disk's partition attributes are stored in a data table that is part of the MBR or…

A: Explanation:- Mоst  оf  the  раrtitiоn  аttributes  аre  stоred  in  а  dаtа  tаble  thаt  is  раrt…

Q: c) Suppose a disk has 300 cylinders, numbered from 0 to 299. The drive is currently serving an I/O…

A: (i) SSTF Total head movements- 10+24+10+75+10+18+3+18=168

Q: What is the correct sequence of time delays that happen during a data transfer from a disk to…

A: Question What is the correct sequence of time delays that happen during a data transfer from a disk…

Q: Which of the following benefits and drawbacks does disk write caching have?

A: Answer ::  Microsoft Windows operating system allows you to enable or disable the disk write storing…

Q: CPU with interrupt-driven I/O is busy servicing a disk request. While the CPU is midway through the…

A: Actually, CPU is used to processing the instructions.

Q: 1. if you are to add new 10 mb process in the memory, whre could it possibly be added and why? 2.…

A: a) Yes, Virtual memory in this configuration because in the variable partition scheme initially,…

Q: Questions: 4. What do you think is the possible reason why Process 2 was pulled/swapped out (e) of…

A: As per guidelines i can answer only 3 sub-parts so i answered 3 sub parts of picture which is shown…

Q: 3. You have five (5) memory partitions of 220 MB, 150 MB, 300 MB, 430 MB, 720 MB which is in order,…

A: AS according to our guidelines we can provide one solution at a time if you want answer of another…

Q: Assume a directory has 1000 files, block size is 4KB, FCB is 256B and file name and index pair is…

A: Information : Number of files in directory = 1000 Block size = 4KB FileName - Index Pair size = 32B

Q: How do the following affect total disk access time? a) Disk latency b) Seek time c) Transfer…

A: The delay of the rotating disk to get the needed disk sector of the read/write head, and is…

Q: The operating system tries to ensure that consecutive blocks of a file are stored on consecutive…

A: Importance of magnetic disks: The file system of an operating system ensures that each file should…

Q: Disk requests are received by a disk drive for cylinders 13 , 6 , 1 , 29 , 28 , 8 in that order and…

A: Given data:- Disk requests are received by a disk drive for cylinders 13 , 6 , 1 , 29 , 28 , 8 in…

Q: The use of virtual disks allows for easier data migrations, which in many cases can occur in a…

A: virtual disks are mainly used for data migrations which stores data in virtual space.

Q: Discuss with suitable illustration how memory mapped files can be used in memory management.

A: THE ANSWER IS

Q: Discuss with suitable illustration how memory mapped files can be used in memory management.

A: memory-mapped files can be used in memory management as explained in the steps below.

Q: Operating systems try to ensure that consecutive blocks of a file are stored on consecutive disk…

A: Using hard disks or magnetics disks, the OS tries to ensure that when a file is stored it should be…

Q: Operating systems try to ensure that consecutive blocks of a file are stored on consecutive disk…

A: Given Data:- Operating systems try to ensure that consecutive blocks of a file are stored on…

Q: Operating systems try to ensure that consecutive blocks of a file are stored on consecutive disk…

A: Part a) The file system of an operating system ensures that each file should store as a contiguous…

Q: Operating systems try to ensure that consecutive blocks of a file are stored on consecutive disk…

A: It is a method that shows how files would be kept in the disk blocks. The main reasons that are…

Q: Assume a file system provides 1024 blocks with a block size of 4096 bytes. All of these blocks can…

A: let's solve step by step: 1 file size=9200 bytes 1 block size =4096 B 3 block size = (4096 x 3 ) B…

Q: what is the maximum file size suported by a file system with 12 direct blocks,single,double, and…

A: Here in this question we have given disk with 12 direct pointer ,single,double, triple indirect.…

Q: are relocatable programs? (b) What makes a program relocatable? (c) From the OS memory management…

A: (a) A program is said to be relocatable that can be placed at any memory address and can be executed…

Q: It is the operating system's responsibility to ensure that the blocks of a file are stored on the…

A: SSDs are the latest generation of computer storage devices. Faster than conventional hard drives,…

Q: Assume that disk reads are managed using a buffer pool.  The buffer pool contains five buffers and…

A:

Q: Suppose there are six files F1, F2, F3, F4, F5, F6 with corresponding sizes 150 KB, 225KB,75 KB, 60…

A: Introduction:F1 size = 150KBF2 size = 225KBF3 size = 75KBF4 size = 60KBF5 size = 275KBF6 size =…

Q: Consider a file system that uses indexed file allocation. Disk block size is 1K-byte, and a file…

A: Given that, Disk block size= 1K byte= 1024 bytes File pointer size= 8 bytes Number of direct…

Q: Define global, external, static, local and register variable scope and storage allocation?

A: The memory part where storage space is allocated for variables and functions, as well as how long…

Q: Hi, please solve it correctly ,else i will downvote Consider the following disk request sequence…

A: Solution :-  Given,  Total number of tracks = 100 but it should be 200 because request sequence is…