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Case Study
You are the Chief Information Officer (CIO) of a medium sized business that provides an online data base to Internet subscribers. By then end of the current business quarter, you must propose a design for the implementation of client operating systems on 250 client computers (including desktop, laptop, tablets, and phabets) as well as the 50 servers that provide the database services. Before committing to any operating systems you must research the material (use the textbook as well as the Internet) to propose ONE of the following courses of action:
Safety of the status quo (specify the current client and server operating systems as well as the implementation of a NOS or D/OS)Moderated change of the clients and/or server OS (specify which OS will be changed and why)
Cutting edge innovation (specify why you would take this risk and what returns you expect from it).
company wants to upgrade the computers they have by adding another internal hard drive and preparing it for use. How do you explain how to do this and the options that the company has?
Suppose that there is a single machine with total capacity of 23 units of time, and that one gets partial credit for partially processing a task, so that processing a task of value Vi for time t
Some of the local hospital's administrators are questioning privacy of patients' data with wireless transmission. Discuss and determine the merits of their concerns.
Assume Fred sees your RSA signaure on m1 and m2, (i.e., he sees (md1 mod n) and (md2 mod n).
i. Deadlock avoidance ii. Deadlock prevention and iii. Deadlock detection
Some companies think that IT planning is a waste of time because the competitive environment and technologies change too rapidly.
The ring algorithm supposes that the links are unidirectional and that every procedure sends its message to the neighbor on the right. The main data structure used through the algorithm is the active list,
UNIX treats all devices as files. Explain why this is an innovative feature when it was first introduced and how it adds flexibility to the operating system
1. synchronization within monitors uses condition variables and two special operation wait and signal. a more general
Assume you have just started a new semester and you have become friends with one of your classmates, Tomislav. Tomislav tells you he has just moved to the US from Europe
Determine the various aspects in which we can view an operating system in terms of the services provided also discuss the differences between the various types of the operating systems and what are the advantages and limitations of each type
Explain how the computer system accommodating the 2G memory requirement by only using 1G physical memory. Assume that the page size is 4M, and so is the page frame size and Explain what logic memory addresses are, what physical memory addresses are..
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