Question: Question 2 How long does it take to read 400,000 blocks of data on a disk: a. Sequentially b. Randomly. Use the following parameters: Average

Question 2 How long does it take to read 400,000 blocks

Question 2 How long does it take to read 400,000 blocks of data on a disk: a. Sequentially b. Randomly. Use the following parameters: Average seek time: 5 ms Average rotational delay: 4 ms Data transfer rate: 50 MB per second Block size: 4 KB

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Assume a table Emp(ssn, name, salary) of employee records, where ssn is the primary key. The total size of the table is 34,560MB. The table (i.e., the records of the table) is stored in a heap file...

(a) A hard disk is 2400 RPM and has 2 double-sided platters. Each surface has 100,000 tracks and 3000 sectors per track. (We assume that the number of sectors per track does not vary between the...

IV. Consider a disk on which the rate at which it can read sequentially laid out data is 100 MBps. Average seek time on the disk is 6 milliseconds and that the disk rotates at 5400 RPM. Assume all...

Can someone help me with these questions please! Q1. Drugwarehouse.com has offered you a free life-time supply of prescription drugs (no questions asked) if you design its database schema. Given the...

Question 1. Suppose that a disk unit has the following parameters: seek time = 15 milliseconds (ms); rotational delay = 30 ms; block transfer time = 2 ms; block size = 2048 bytes; interblock gap size...

Consider a disk with the following characteristics: block size B=512 bytes, interblock gap size G=28 bytes, number of blocks per track =20, number of tracks per surface =400. A disk pack consists of...

Using the disk drive specifications given in Exercise 8.8, calculate the time required to read a 10MB file assuming Data from in Exercise 8.8 A typical disk drive from 2004 has the following...

Solve this typing please, not on paper. Question 2: Consider a disk with the following characteristics (these are not parameters of any particular disk unit): Block size B=512 bytes, Number of blocks...

E. Suppose the disk drive rotates the disk pack at a speed of 3000rpm (revolutions per minute): i. What is the transfer rate in bytes/msec? ii. What is the block transfer time (btt) in msec? iii....

Question 2: Consider a disk with the following characteristics (these are not parameters of any particular disk unit): Block size B=512 bytes, Number of blocks per track =20, Number of tracks per...

Would AT&T and Microsoft use the cash basis or the accrual basis of accounting? Explain.

Here you are required to draw a bar chart of batchwise strength of Avionics Department with following features through python: Add suitable label in the x axis, y axis and a title. Display a...

CA7.3 (LO 2) (Inventoriable Costs) George Solti, the controller for Garrison Lumber Company, has recently hired you as assistant controller. He wishes to determine your expertise in the area of...

Compared with half a century ago, adoption has become _ _ _ _ _ _ _ _ _ common, but it is more open and acceptabl e , so we probably discuss it _ _ _ _ _ _ _ . fill in the blanks more or much less or...

What are some of the characteristics of the past management practices and organizational climate that are thwarting creativity?

What tools might be helpful?

What are some measures that you can take to begin to foster creativity in the individuals you work with and in your unit as a whole?