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14 Cards in this Set
- Front
- Back
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What are the 5 phases of the SDLC? |
1.systems analysis 2. Conceptual design 3. Physical design 4. Implementation and conversion 5. Operations and maintenance |
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Who is involved in the SDLC? |
1. IS steering committee: executive level, plan and oversees IS function. 2. Project development team: plan and monitors progress 3. Programmers: write and test the programs 4. Systems analysts: determine information needs and prepare specifications for programmers 5. Management: gets users involved, provides support for the project 6. Users: communicate needs, helps design and test |
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What are the two plans needed for systems development? |
Master plan: long range, authorized by steering committee Project development plan: specific to a project, project team identifies hardware, software, financial resources needed |
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What are the two different planning techniques? |
PERT - program evaluation and review technique Gantt chart |
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What is a PERT? |
Diagram that depicts all of the project activities that require time and resources with completion estimates. Determined critical path |
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What is a Gantt chart? |
Bar chart that organized activities on the left and time on the right, a bar is drawn to show the progress |
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What 5 things are part of the feasibility analysis? |
Economic- cost vs benefit Technical- can we use existing technology? Legal- does it comply with regulations and laws? Scheduling- can it be done in the allotted time? Operational- do we have the people to design and implement the system? Will it be used? |
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What are the 3 different types of capital budgeting? |
Payback period
Net present value
Internal rate of return |
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What is a payback period? |
The amount of time is takes for the initial cost to equal the net savings of the investment |
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What is net present value? |
Estimated future cash flows with discounted rates to account for time value of money |
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What is the internal rate of return? |
Calculates the interest rate that makes the present value of total costs equal the present value of total earnings |
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Why do people resist change? |
- lack of top management support - fear - bad prior experience - poor communication - disruption - manager change is introduced - biases and emotions - personal characteristics and background |
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How's do you prevent behavioural problems? |
- management support - satisfy user needs - involve users - reduce fears, emphasize opportunities - avoid emotionalism - provide training - performance evaluation - keep open communications - test the system prior to implementation - keep the system simple - control users expectations |
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What are the steps of phase 1 in the SDLC ( systems analysis) |
1. Initial investigations 2. Systems survey 3. Feasibility study 4. Information needs and system requirement 5. Systems analysis report |
