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1. A 255-GB disk has 65,536 cylinders with 255 sectors per track and 512 bytes per sec- tor. How many platters and heads does this disk have? Assuming an average cylinder seek time of 11 ms, average rotational delay of 7 msec and reading rate of 100 MB/sec, calculate the average time it will take to read 400 KB from one sector.
2. Which of the following instructions should be allowed only in kernel mode?
(a) Disable all interrupts.
(b) Read the time-of-day clock.
(c) Set the time-of-day clock.
(d) Change the memory map.
1. Examine five advantages and five disadvantages of using white-hat hackers to discover vulnerabilities. Explain whether or not you would advise a business or organization to use this strategy. 2. Give your opinion on whether or not a midsized organ..
Write c++/java program that solving traveling salesman problem using 2-opt algorithm. java one is more preferable.
you will learn how to do many of the most common types of operations in the Word program - Find, and Replace words and phrases in any Word document in the intellipath Learning Nodes for Unit 1.In Unit 2, you will study how to use some of the more a..
Resource: Health Care Reform Projects, Parts I and IIPrepare a Microsoft® PowerPoint® presentation in which you summarize health care reform material.Assume you are making a presentation to the board of directors concerning your investigation into th..
Write a short, structured design-using pseudocode only-that accomplishes this task.
PP 5.6: Using the Coin class defined in this chapter, design and implement a driver class called FlipRace whose main method created two Coin objects, then continually flips them both to see which coin first comes up heads three flips in a row. Contin..
Let the 32-bit hash function defined as concatenation of two 16-bit functions: XOR and RXOR. Will this checksum detect all errors caused by odd number of error bits? Describe.
Assume that a security model is needed for the protection of information i your class. Using the CNSS model examine each of the cells and write a brief statement on how you would address the components represented in that cell.
Given a double variable called dval, write a single Java statement to prompt the user to enter the price of an item using JOptionPanes, convert the result and store it into dval.
The static IP address of the server is 192.168.45.200. What steps do you take so that each computer in company can browse site by using this URL?
Do you think that Hobbes was on to something with his theory? Is there joy or fear out there, or is it all inside of us and how we perceive and react to a situation?
Define memory. Describe types of memory, including implicit and explicit memory and declarative and procedural memory.
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