We discussed user interfaces what are they and for each list some advantages and disadvantages. When considering the purchase of a new system what must be considered? Discuss the ISO’s OSI and relate TCP/IP to it. What is virtualization and what it is used for? Discuss the different ways that a carrier wave can be manipulated to carry a signal? List at least four properties that characterize a communication channel? What are the specific so-called “qualities” that quality of service attempts to measure and achieve? Describe the two methods that are normally used as an attempt to achieve this quality. Why are developing countries following a different path than the US did in developing their information infrastructure and what ramifications does this have for the US businesses? Define IT Architecture. What are the important considerations when developing an IT infrastructure plan and how is the development of the plan impacted by whether the plan is for a new business or an existing one?

We discussed user interfaces what are they and for each list some advantages and disadvantages. When considering the purchase of a new system what must be considered? Discuss the ISO’s OSI and relate TCP/IP to it.

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