Computers and Technology, 17.04.2020 05:29 rcmhargoux9546
Server farms such as Google and Yahoo! provide enough compute capacity for the highest request rate of the day. Imagine that most of the time these servers operate at only 60% capacity. Assume further that the power does not scale linearly with the load; that is, when the servers are operating at 60% capacity, they consume 90% of maximum power. The servers could be turned off, but they would take too long to restart in response to more load. A new system has been proposed that allows for a quick restart but requires 20% of the maximum power while in this "barely alive" state. a. How much power savings would be achieved by turning off 60% of the servers? b. How much power savings would be achieved by placing 60% of the servers in the "barely alive" state? c. How much power savings would be achieved by reducing the voltage by 20% and frequency by 40%? d. How much power savings would be achieved by placing 30% of the servers in the "barely alive" state and 30% off?
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You need a reliable network for about twenty-five computers that will be distributed across a large building. it is important that the network be relatively cheap. which topology should you use?
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Computers and Technology, 22.06.2019 10:10
3. bob is arguing that if you use output feedback (ofb) mode twice in a row to encrypt a long message, m, using the same key each time, it will be more secure. explain why bob is wrong, no matter what encryption algorithm he is using for block encryption (15 points).
Answers: 3
Computers and Technology, 22.06.2019 15:00
Which of the following statements tests if students have a grade of 70 or above, as well as fewer than five absences? a: if(grade > = 70 and daysabsent < = 5): b: if(grade > = 70 or daysabsent < = 5): c: if(grade > 70 and daysabsent < = 5): d: if(grade > 70 or daysabsent < = 5): i took the test the answer is a
Answers: 1
Computers and Technology, 22.06.2019 16:30
Corey set up his presentation for delivery to his team.the information he had to convey was critical to their job performance.he knew he would need a lot of time to explain each point
Answers: 3
Server farms such as Google and Yahoo! provide enough compute capacity for the highest request rate...
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