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Suppose that a disk drive has 1000 cylinders, numbered 0 to 999.
1. Starting from the current head position, what is the total distance (in cylinders) that the disk arm moves to satisfy all the pending requests, for SSTF disk-scheduling algorithm?
2. Is the SSTF algorithm optimal? If not can you suggest a modification that will perform better than the SSTF?
Go throw a basketball into a shallow basket that is tipped toward you. Whenever you throw the ball into the basket, it bounces back out of the basket and falls onto the floor. How could this rebound be minimized when it is thrown?
How can you ensure that the web page is legitimate and avoid becoming the victim of a phisher's scheme to commit identity theft?
Four bits are used for packet sequence numbering in a sliding Window protocol used in a computer network. What is the maximum window size?
Using the draw.io site or a flowcharting tool of your choice, build a flowchart that models a complete Java program called PasswordChecker that gets a String from the user at the command line and checks whether the String, called inputPassword, co..
What are some tools or approaches that a project manager uses to manages changes in an IT project? Please be as specific as possible.
Identify the planning tasks performed as part of project time management. What is the critical path for a project? Why is it important to know which tasks are on the critical path? How would you gain support from the project sponsor on the tasks o..
Explain the network behaviour if the channel gain of terminal 4 with base station 1 has decreased according to the shadowing effect = 120 dB.
Connect the .html file to functions.js, and to the jQuery library. When the button is clicked, the NATO phonetic version of the input is displayed on the web page. Use jQuery to access the HTML DOM elements on the web page, and handle events.
Identify one network hardware component that either; your network uses, a network you have access to uses or failing that a network component that you are interested in.
How does the AMPS system attempt to prevent fraudulent billing of calls to the wrong customer? How effective are these techniques?
What is master data management? What are the benefits of MDM? What is data administration, and what are the key functions of this role?
What are the characteristics of an I/O disk problem? What is the relationship between I/O disk problems and RAM? What advice would you give for troubleshooting and remedying I/O disk problems?
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