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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 yourCPU 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?
Joe the janitor is recorded on the company security camera one night taking pictures with his cell phone of the office of the CEO after he is done cleaning it. What will you do and what is your justification for your actions?
When deciding whether to buy and implement digital dashboard or management cockpit sometimes a feasibility study is conducted. Explain the different kinds of feasibility studies.
Your computer investigation firm has been hired to verify local police department's findings on current case. Tension over the case is running high in the city.
With an increasingly global economy when business is open 24 / 7, how do we test the resilience of our computer systems without disturbing normal business operations?
Create a modular program which asks the user to enter monthly costs for expenses given incurred from operating his or her automobile.
Because information systems are able to store and compile a large amount of data, many people worry that, their private data will end up in the wrong hands. Explain your position.
Discuss how this technique might prevent legitimate users from accessing the system. Why is this action a violation of the principle of least common mechanism?
Describe why you would suggest connecting all current and new client computers using twisted pair cable instead of staying with the current coax wiring structure.
Write down the benefits and disadvantages of configuration in binary file called registry.
Explain in detail all the steps Internet Explorer should go through when you click on a web page and traverse the network created in the previous exercise.
Create algorithms for finding the possible winers and the Condorcet winner with analysing its complexity.
Lots of people who connect their systems to the Internet rush out and purchase latest copies of firewalls and virus protection software.
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