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Software Sourcing & Selection: Tutorial for IS Development Students, Exercises of Information Systems

University of the West Indies St. AugustineInformation Systems

This tutorial sheet outlines the process of identifying and selecting software sources for information systems development projects. Students will learn about six sources of software, including it services, packaged software providers, enterprise software solutions, cloud computing, open source software, and in-house development. The document also covers the concept of request-for-proposals (rfps) and their role in gathering information for software purchases. Additionally, students will explore eight criteria for choosing off-the-shelf software and discuss other real-world considerations.

Typology: Exercises

2019/2020

Uploaded on 05/02/2020

Deon.Frederick
Deon.Frederick 🇹🇹

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INFO 2600 - Information Systems Development
Tutorial Sheet 2
February 1, 2020
Due Date: Week beginning 3rd February 2020
Wednesday Friday 9-10 [114]; Friday 12-1 [LR2]
1. See case study sheet for tutorial 2.
2. List and describe the 6 sources of software. Compare each source of software
under the following headings: “when to use this source of software” and
“internal staffing requirements”.
Ans: Six sources of software include IT Services, Packaged Software
Providers, Enterprise Software Solutions, Cloud Computing, Open Source & In-
house developed software.
1. Give 3 examples of software for each source of software.
pf2

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INFO 2600 - Information Systems Development

Tutorial Sheet 2

February 1, 2020

Due Date: Week beginning 3rd^ February 2020

Wednesday Friday 9-10 [114]; Friday 12-1 [LR2]

  1. See case study sheet for tutorial 2.
  2. List and describe the 6 sources of software. Compare each source of software under the following headings: “when to use this source of software” and “internal staffing requirements”. Ans: Six sources of software include IT Services, Packaged Software Providers, Enterprise Software Solutions, Cloud Computing, Open Source & In- house developed software.
  3. Give 3 examples of software for each source of software.

IT Service Firms – IBM, HP, Packaged software providers – Microsoft, Oracle, Symantec Enterprise solutions – Oracle, SAP AG Cloud Computing – Microsoft, Google, Amazon Open Source software – sourceforge.net In-house software - ??

  1. What is an RFP and how is it used to gather information? Ans: An RFP or Request-for-proposal is a document provided to vendors that requests from them, provision of hardware & system software that will meet the new requirements of a new system. They are used when major purchases must be made. RFP’s encourage proposals & give a provide an accurate estimate regarding the costs of a system & the components/requirements necessary to procure/obtain said system.
  2. List and describe the 8 criteria for choosing off-the-shelf software. Describe any other criteria that could be used to select off-the-shelf software in the real world. How can these 8 criteria be used in comparing among competing bids for custom developed software and off-the-shelf software? Ans: Eight criteria involved in selecting off-the-shelf software are: Cost Functionality Vendor support Viability of vendor Flexibility Documentation Response time Ease of installation Another criteria that could aid in selecting off-the-shelf software is software similarity/user friendliness. Software should be easy to use and the transition to new software should be effortless requiring little to no training.