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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?
Cloud Computing to the Rescue, Describe the hardware, software, and network architectural design of the infrastructure used to build cloud computing infrastructures. Use Microsoft Visio to generate the architectural diagrams.
First of all it eliminates requirement of hardware, downloads and implementations which drain corporate budgets and ultimately profits. It takes companies only a third of the expenses that they will incurred to have their companies running.
Receiver initiated distributed scheduling algorithms suppose task pre-emption at the sender site.
Explain how backups are taken using Microsoft Access. What are the issues that must be considered before starting the backup? When an Access database is restored from backup, what issues need to be considered regarding the data?
Create a procedure which will allow the receiving clerk to add the new movies received to the mm_movie table.
Explain how concepts such as RISC, pipelining, cache memory, and virtual memory have evolved over the past twenty-five years to improve system performance.
Explain the two approaches to packet delivery by the network layer in Distributed Systems. Describe the three fundamental models of Distributed Systems
Use K-map to simplify output function of x by don't care conditions.
Below what speed are there different leased line standards in different parts of the world? What is the exact speed of a T1 line?
Prepaid cell phones make forensic investigation much hard. Discuss how can you quickly investigate and collect digital evidence for a crime what involves a phone call.
Banner advertising on Websites helps trigger a realization taht there is a gap between reality and a desired state, which occurs in the ______ stage of the EC purchase decision-making process.
What are your thoughts on the tradeoffs involved when attempting to improve overall system performance. Provide examples where an increase in the performance of one resource.
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