aquiring IS Flashcards
What is an IS Strategic Plan?
A long-term plan aligning IT with organizational goals for efficient resource use.
What are the three objectives of an IS Strategic Plan?
- Align with organizational goals. 2. Provide seamless IT architecture. 3. Allocate IS resources efficiently.
What is an IS Operational Plan?
A set of actionable IS projects supporting the strategic plan.
Name three elements of the IS Operational Plan.
Mission statement, application portfolio, and resource allocation.
What are the four main cost-benefit analysis methods?
Net Present Value (NPV), Return on Investment (ROI), Break-even Analysis, and Business Case Approach.
What is the key advantage of purchasing prewritten applications?
Cost and time efficiency.
What is a disadvantage of customizing prewritten software?
High complexity and costs, requiring re-customization for updates.
What is SaaS?
Software as a Service: Cloud-hosted applications accessed via subscription.
Name two risks of SaaS.
Vendor dependence and data privacy concerns.
What is outsourcing in IS acquisition?
Hiring a third party to develop, maintain, and operate software.
What is the main benefit of custom development?
Tailored solutions that perfectly fit specific processes.
What are the six phases of the SDLC?
Investigation, Analysis, Design, Programming and Testing, Implementation, and Maintenance.
What is the goal of the SDLC Investigation phase?
To conduct a feasibility study assessing technical, economic, and behavioral factors.
What is the primary deliverable of the SDLC Analysis phase?
The System Requirements Document.
Name the four conversion strategies in the SDLC Implementation phase.
Parallel, Direct, Pilot, and Phased.
What are the four types of system maintenance?
Adaptive, Corrective, Perfective, and Preventive.
What is the main disadvantage of the Waterfall methodology?
It assumes requirements remain constant and lacks flexibility.
What is Joint Application Design (JAD)?
A collaborative development process involving users and developers.
What are the principles of Agile Development?
Early delivery, adaptability, collaboration, and simplicity.
What is End-User Development?
Systems created by users with minimal IT support.
Name one advantage of End-User Development.
Faster development and increased user ownership.
What is a disadvantage of End-User Development?
Quality risks and limited alignment with organizational goals.
What is design thinking?
A process involving empathizing, defining, ideating, prototyping, and testing.
What is the purpose of CASE tools?
To automate tasks within the SDLC.
What is component-based development?
Using reusable software components to build applications.
What is a major risk of outsourcing IS development offshore?
Communication challenges and data security concerns.
What is prototyping in systems development?
Iteratively building and refining models based on user feedback.
What does the Agile Manifesto prioritize?
Individuals and interactions over processes and tools.
What is NPV used for in cost-benefit analysis?
Discounting future benefits to present value.
How does adaptive maintenance differ from corrective maintenance?
Adaptive addresses new requirements; corrective fixes errors.
