(a) 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 I MByte, which is stored contiguously on the disk. Determine the following: (i) What is the transfer time for this file? (ii) What is the average access time for this file? ) What is the rotational delay in this case? bt A magnetic disk with 5 platters has 2048 tracks/platter, 1024 sectors/track (fixed number of sectors per track), and 512-byte sectors. Determine its total capacity.

(a) 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 I MByte, which is stored contiguously on the disk. Determine the following: (i) What is the transfer time for this file? (ii) What is the average access time for this file? ) What is the rotational delay in this case? bt A magnetic disk with 5 platters has 2048 tracks/platter, 1024 sectors/track (fixed number of sectors per track), and 512-byte sectors. Determine its total capacity.

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

See similar textbooks

Related questions

Q: Assume that the head of a moving-head disc has 200 tracks numbered 0 to 199 and is currently serving…

A: The FCFS Disk Scheduling Technique is the most basic disc scheduling algorithm, and it works on a…

Q: Suppose a file of 10,000 bytes is to be sent over a line at 2400 bps. A. Calculate the overhead in…

A: ANSWER:-

Q: Compare the bit-map and hole-list methods for keeping track of free space on a disk with 800…

Q: Consider a single-platter disk with the following parameters: rotation speed:7200 rpm; number of…

A: Here is the explanation regarding the disk:

Q: Last solution had mistakes For a 5,000 RPM disk, assume its average seek time is 7 msec, and it has…

A: We are given average seek time, bandwidth, sector size and 5000 RPM disk. To find out the average…

Q: A FAT (file allocation table) based file system is being used and the total overhead of each entry…

A: Introduction:Given,Overhead of each entry = 4 BytesDisk Size = 100 x 106 BytesData block size = 103…

Q: onsider a disk with the following characteristics

A: The question is asking for the capacity of a track and the capacity of the disk based on given…

Q: For a 5,000 RPM disk, assume its average seek time is 7 msec, and it has 100 MB/sec bandwidth;…

A: To answer these questions, we will use the following formulas: Average access time = Average seek…

Q: To access data in a hard disk, it requires the time to move the head to A. TASK: the desired track…

A: Data :- 5400 RPM 3 ms avg. Seek time 100 MB/ s transfer rate = 100000 kb/s 0.2 ms controller…

Q: Figure 4-22 on page 303, (a) shows a 1KB disk block can hold 256 32-bit dis ock numbers. If a disk…

A: Q1. Option (B) is correct option. Device driver acts as a translator between programmer and…

Q: 2. Suppose that the hard disk on your personal computer rotates at 3000 revolutions a minute, that…

Q: For a 5,000 RPM disk, assume its average seek time is 7 msec, and it has 100 MB/sec bandwidth;…

A: Hello student Greetings Hope you are doing great. Thank You!!! To answer these questions, we will…

Q: Consider a magnetic hard disk with a seek time of 8 ms, a data transfer rate of 1 Mbyte/second…

A: The answer is given below:-

Q: Suppose you are willing to sacrifice no more than 1% of a disk’s bandwidth to scrubbing. What is the…

A: Given, Disk size =1 TB bandwidth =100MB/s. In one second 100 MB scrub disk storage. Let you be…

Q: For the following buffer pool, using the LRU replacement heuristic, show the disk block ID of the…

A: According to the information given:- We have to following buffer pool, using the LRU replacement…

Question

(a) 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 I MByte, which is stored contiguously on the disk. Determine
the following:
(i) What is the transfer time for this file?
(ii) What is the average access time for this file?
) What is the rotational delay in this case?
bt A magnetic disk with 5 platters has 2048 tracks/platter, 1024 sectors/track (fixed
number of sectors per track), and 512-byte sectors. Determine its total capacity.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

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.
Q. 1 How long does it take to load a 64-KB program from a disk whose average seek time is 5 msec, whose rotation time is 5 msec, and whose tracks hold 1 MB(a) for a 2-KB page size?(b) for a 4-KB page size?The pages are spread randomly around the disk and the number of cylinders is so large that the chance of two pages being on the same cylinder is negligible.
Suppose a file of 10,000 bytes is to be sent over a line at 2400 bps. A. Calculate the overhead in bits and time in using asynchronous communication. Assume one start bit and a stop element of length one bit, and 8 bits to send the byte itself for each character. The 8-bit character consists of all data bits, with no parity bit. B. Calculate the overhead in bits and time using synchronous communication. Assume that the data are sent in frames. Each frame consists of 1000 characters = 8000 bits and an overhead of 48 control bits per frame. C. What would the answers to parts (a) and (b) be for a file of 100,000 characters?
It is desired to send a sequence of computer screen images over an optical fiber. The screen is 480x640 pixels, each pixel being 24 bits. There are 60 screen images per second. a) How much bandwidth is needed? b) What is the size of the file if we store 30 min of this video on disk?
How do I solve this using swift code? 4.3 of 6
Operating System: Consider a demand-paging system with a paging disk. The average disk access time is 10 milliseconds, and the average memory access time is 100 nanoseconds. Assume 0.1 percent of the access causes page faults. What is the effective memory access time? In order to achieve no more than 5 percent overhead due to demand paging for this system, what should the maximum page fault rate be?
What is the average time to read or write a 512-byte sector for a typical disk rotating at 15,000 RPM? The advertised average seek time is 4ms, the transfer rate is 100 MB/sec, and the controller overhead is 0.2ms. Assume that the disk is idle so that there is no waiting time. 512B sector, 15,000rpm, 4ms average seek time, 100MB/s transfer rate, 0.2ms controller overhead, idle disk
Consider the following data and parity-block arrangement on four disks: The Bis represent data blocks; the Pis represent parity blocks. Parity block Pi is the parity block for data blocks B4i−3 to B4i. What, if any, problem might this arrangement present?
Suppose a file of 10,000 bytes is to be sent over a line at 2400 bps. A. Calculate the overhead in bits and time in using asynchronous communication. Assume one start bit and a stop element of length one bit, and 8 bits to send the byte itself for each character. The 8-bit character consists of all data bits, with no parity bit. B. Calculate the overhead in bits and time using synchronous communication. Assume that the data are sent in frames. Each frame consists of 1000 characters = 8000 bits and an overhead of 48 control bits per frame. C. What would the answers to parts (a) and (b) be for a file of 100,000 characters?
#There is sequence of disk track requests:75 62 99 144 50 162 110 26 198. #Assume that the disk head is initially positioned over track 100 and is moving in the direction of decreasing track number. Question: For FIFO/SSTF/SCAN/C-SCAN 1.What is the tracking order? 2What is Average Track Length?