IFN551 Computer Systems Fundamentals Assignment

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IFN551 Computer Systems Fundamentals Assignment - Queensland University of Technology, Australia

Note: Keep your answers short and concise; maximum half a page.

Q1. Any computer system, large or small, can be represented by the four elements of an IPO model. Draw an IPO model; clearly label each of the four elements in your drawing.

Q2. Explain the differences between primary storage and secondary storage. What is each type used for?

Q3. Computer literature divides the software component of a computer system into two major categories. Identify each category and give an example of each that you are already familiar with. Briefly explain the role of each category.

Q4. Virtualization is a concept that has taken on major importance in the early twenty-first century. Explain what is meant by virtualization.

Q5. Suppose you would like to buy a computer for your own needs. What are the major considerations and factors that would be important in your decision? What technical factors would influence your decision?

Now try to lay out a specification for your machine. Consider and justify the features and options that you would like your machine to have.

Q6. Locate a current reference that lists the important protocols that are members of the TCP/IP protocol suite.

Explain how each protocol contributes to the operation and use of the Internet.

Q7. Explain the relationships among the following words: system, environment, boundary, and interface.

Q8. Many system architects base their IT system designs on an n-tier architecture, where n is a number with value 2 or greater.

Explain the difference between a single-tier architecture and an n-tier architecture.

What are the main advantages claimed for an n-tier architecture?

Q9. Figure illustrates the basic architecture for a three-tier database system.

This system can be viewed as an IPO (input-processing-output) system.

What is the input for this system?

What environmental element generates the input? (Hint: the Web browser computer is within the system boundary.)

What is the expected output from this system?

What environmental element receives the output?

Briefly describe the processing that takes place in this system.

Q10. It is common to represent network connections in IT systems as a cloud. The cloud is obviously an abstraction as we defined abstraction in this chapter. What does the cloud abstraction actually represent?

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IFN551 Computer Systems Fundamentals Assignment : IFN551 Computer Systems Fundamentals Assignment Help and Solution - Queensland University of Technology, Australia. Draw an IPO model

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