Consider the Unix i-node which uses 12 direct DBAs, 1 single indirect, 1 double indirect, 1 triple indirect. The disk block address requires 32 bits and disk block size is 1 KB. What is the maximum file size?
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- Suppose that you have a UNIX file system where the disk block size is 4096 bytes. Disk addresses and file block pointers take 32 bits (4 bytes), and the i-node contains 12 direct pointers, one single-indirect pointer and one double-indirect pointer. Assume an index block is the same size as a data block (both 4096 Bytes). If there is a file having 50,000 bytes of data and it is never been accessed, we only assume the file's i-node is in memory, but none of the rest of the file. If the user process wants to access to read the entire file into the memory, how many I/O operations would be needed? O a. 15 O b. 12 O c. 14 O d. 13Consider a file system that uses inodes to represent files. Disk blocks are 8 KB in size, and a pointer to a disk block requires 8 bytes. This file system has 12 direct disk blocks, as well as 1 single and 1 double indirect disk blocks. What is the maximum size of a file that can be stored in this file system in GBs (round to the nearest integer)?Suppose that you have a very simple file system (VSFS) using i-node to manage disk data blocks, where the disk block size is 4096 bytes. Disk addresses and file block pointers take 32 bits (4 bytes), and the i-node contains 10 direct pointers, one single-indirect pointer and one double-indirect pointer. Assume an index block is the same size as a data block (both 4096 Bytes). If there is a file having 45,000 bytes of data and it has never been accessed, we only assume the file's i-node is in memory, but none of the rest of the file. If the user process wants to read the entire file into the memory, how many disk blocks (including both data blocks and index block(s)) would be brought into the main memory? O a. 11 O b. 10 O C. 12 O d. 1035 e. 1034
- A disk has a capacity of two tera-byte size. Say the file system uses a multi-level inode structure for locating the data blocks of afile.The inode stores pointers to data blocks, including a single indirect block, a double indirect block, and several direct blocks in the 64 B of available space.Now, it is given that the disk has a block size of 512 B. The maximum file size that can be stored in such a file system in MB (round off upto 2 decimal places).Consider finding a prefix code for a file that consists of the letters a, b, c, d, and e. Suppose that these letters appear in the file with the following frequencies. f(a) = 20; f(b) = 7; f(c) = 10; f(d) = 4 and f(e) = 18: Suppose each character was represented by four binary digits before compression. What is the total number of bits utilized by the data before compression? Apply the Huffman Encoding technique to compress the data and find the total number of bit required to represent the complete file after compression. What is percentage of space saved by the compression technique?Let us assume a disk with rotational speed of 15,000 rpm, 512 bytes per sector, 400 sectors per track and 1000 tracks on the disk, average seek time is 4ms. We want to transmit a file of size 1 MByte, which is stored contiguously on the disk. a. What is the transfer time for this file? b. What is the average access time for this file? c. What is the rotational delay in this case? d. What is the total time to read 1 sector? e. What is the total time to read 1 track for sequential organization?
- Suppose that there is a file system with blocks of 512 bytes in size. For each inode, there are 20 direct blocks, 2 singly-indirect blocks, and 2 doubly-indirect blocks. The size of a pointer is 4 bytes. Calculate the maximum possible size of a file in bytes. Show your work.Consider a filesystem that uses inodes to represent files. Each inode contains pointers to 12 direct disk blocks, as well as a single and double indirect blocks. Disk blocks are 1KB in size, and a pointer to a disk block requires 4 bytes. If we install this filesystem on a 4TB SSD, we have (select all that apply) the SSD cannot store more than 4 billion files the SSD cannot store more than 1 billion files the SSD at least can store about 650 files the SSD at least can store about 6,500 files none of aboveConsider a disk pack with 16 surfaces, 128 tracks per surface and 256 sectors per track. 512 bytes of data are stored in a bit serial manner in a sector. The capacity of the disk pack and the number of bits required to specify a particular sector in the disk.?
- Consider a disk pack with 16 surfaces, 128 tracks per surface and 256 sectors per track. 512 bytes of data are stored in a bit serial manner in a sector. Calculate the capacity of the disk pack and the number of bits required to specify a particular sector in the disk.HD Video C x 3ll al N X Ue G X ogle agi X Microsoft moodle.nct.edu.om/pluginfile.php/67858/mod_resource 100% 212 2. A singer voice is sampled for 4 second by an 8-bit ADC at a sampling frequency of 10 kHz. The samples are stored on a memory chip. What is the minimum memory size both in [bits and bytes] required to store all the samples? i. How long the signal must be sampled to store the samples in 100Mbytes CD- ROM iii. What should be the highest frequency component of the signal? iv.If sampling frequency is doubled then how long the signal must be sampled to store samples in 100Mbytes CD-ROM 14 MarksI will upvote . Consider a disk pack with 32 surfaces, 64 tracks and 512 sectors per pack. 256 bytes of data are stored in a bit serial manner in a sector. The number of bits required to specify a particular sector in the disk is