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Suppose the daytime processing load consists of 60% CPU activityand 40% disk activity. Your customers are complaining that thesystem is slow. After doing some research, you learn that you canupgrade your disks for $8,000 to make them 2.5 times as fast asthey are currently. You have also learned that you can upgrade your CPU to make it 1.4 times as fast for $5,000.
a) Which would you choose to yield the best performance improvementfor the least amount of money?
b) Which option would you choose if you don't care about the money,but want a faster system?
c) what is the break -even point for the upgrades? that is , what price would we need to charge for the CPU (or the disk -change only one) so the result was the same cost per 1% increase for both?
When it comes to use of information technologies, it is frequently difficult to find out how to act ethically. Consider some of your own use of information technologies.
Think about a business you are familiar with, one which urilizes networks and computers to support business functions. Make a list of ten important, specific items like computers, disks.
Based on your knowledge of IT security management, argue for or against assertions that Epworth system is in compliance with Health Insurance Portability and Accountability Act (HIPAA).
Tracks traversed Disk receives a request to access a random sector on a random track. Assume the head starts at track 0. What is the average seek time?
Add the two binary numbers and interpret the sum assuming that the numbers are (1) unsigned, and (2) signed.
What is the probability of occurrence of each of the four pairs in original sequence? Illustrate your work. What is the probability of occurrence of 0 and 1 in modified sequence?
Suppose a computer using direct mapped cache has 2^32 words of main memory and a cache of 1024 blocks, where each cache block contains 32 words. How many block of main memory are there?
What additional communication methods not discussed in the reading do you believe are also beneficial? Explain what they are and how you know about them.
The post office uses a multiple channel queue, where customers wait in a single line for the first available window. the probability both windows are idle.
What web design techniques would you use to help a user with these disabilities? What techniques might have the greatest impact on your website and why?
Each will receive exactly 7. Additionally, each individual must receive the same quantity of wine. Express the problem as ILP constraints, and find a solution.
Apply function in programs to prints triangles, upside down triangles, and diamond.
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