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Principles of Information Systems ...

12th Edition
Ralph Stair + 1 other
Publisher: Cengage Learning
ISBN: 9781285867168

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BuyFindarrow_forward

Principles of Information Systems ...

12th Edition
Ralph Stair + 1 other
Publisher: Cengage Learning
ISBN: 9781285867168
Chapter 12, Problem 16RQ
Textbook Problem
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What is a performance evaluation test? How is it used in the system development process?

Explanation of Solution

Performance evaluation test:

  • • Performance evaluation test is the process to determine the speed, responsiveness and stability of a network, computer, software program or device under a workload.
  • • In other words, it is the process to determine whether the system is performing at an optimal level by assessing the system’s resources and outputs.
  • • There are some parameters that are used to evaluate the performance of the system and they are:
    • ○ Response time
    • ○ Latency
    • ○ Speed
    • ○ Throughput
    • ○ Bandwidth
  • • Response time: the total time lapse between the completion of any inquiry or demand made on a system resource and the receipt of a response.
  • • Latency: the time taken to communicate the message spends travelling the geographical distance before it reaches to its desired destination.
  • • Throughput: the number of units of information a system can process over a specified period of time...

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Chapter 12 Solutions

Principles of Information Systems (MindTap Course List)
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Ch. 12 - Which of the following people ultimately benefit...Ch. 12 - The ______ is a key member and the leader of the...Ch. 12 - The term ______ refers to the translation of...Ch. 12 - Traditional systems development encourages end...Ch. 12 - The systems investigation phase follows...Ch. 12 - During systems investigation, the feasibility of...Ch. 12 - _______ is a technique used during the systems...Ch. 12 - The individual who plans and leads a JAD session...Ch. 12 - Feasibility analysis is typically done during...Ch. 12 - Data modeling is most often accomplished through...Ch. 12 - Good user interface design integrates concepts and...Ch. 12 - The _______ objective for an information system...Ch. 12 - Any potential change in system requirements that...Ch. 12 - Distinguish between project stakeholders and...Ch. 12 - What is the purpose of a project steering team?...Ch. 12 - What is the purpose of IS planning? What are the...Ch. 12 - Identify three typical reasons to initiate a...Ch. 12 - Identify three advantages and three disadvantages...Ch. 12 - Describe what is involved in feasibility analysis.Ch. 12 - What is the purpose of systems analysis? Identify...Ch. 12 - Define the different types of feasibility that the...Ch. 12 - What is the result or outcome of systems analysis?...Ch. 12 - What is a data-flow diagram? How is it used in the...Ch. 12 - Identify and briefly describe five system...Ch. 12 - What is the make-versus-buy decision? Briefly...Ch. 12 - What is the Pareto principle and how does it apply...Ch. 12 - What is the role of the compliance department?Ch. 12 - Explain the purpose of a hot site. What is the...Ch. 12 - What is a performance evaluation test? How is it...Ch. 12 - What personality characteristics should an...Ch. 12 - You have been appointed to a special team to...Ch. 12 - Why is it important for business managers to have...Ch. 12 - Your company wants to develop or acquire a new...Ch. 12 - Discuss three reasons why aligning overall...Ch. 12 - You are the chief information officer for a...Ch. 12 - How can NTUs use of formal IS governance help it...Ch. 12 - What lessons can other higher education...Ch. 12 - What procedures did NTU take to implement IS...Ch. 12 - Suppose NTU, instead of arising from a recent...Ch. 12 - Why did Honeywell turn to Kovair for help? What...Ch. 12 - The ALM software is intended to help companies...Ch. 12 - Honeywell reported that it increased team...Ch. 12 - This case is based in part on information from...Ch. 12 - Why is the quality of the systems analysis report...Ch. 12 - Why are all forms of feasibility considerations...Ch. 12 - Why is the quality of the systems analysis report...Ch. 12 - Why do you think Jon felt the need to travel to...

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