INF3708_exam_memos.

Question 1 Define the following terms in the context of Software Project Management 1.1 Project Specific plan or design or planne dundertaking 1.2 Planning Composition of project scope where normally an outline plan for project is detailed This may include: Work/Product Breakdown Standards Risk Management 1.3 Net Profit Difference between net cost and total income of project over the life of the project 1.4 Payback Period Time taken to break even or pay back the initial investment Normally project with shortest PB is chosen 1.5 Risk An uncertain event or condition that, if it occurrs has a positive or negative effect on project Question 2 Discuss the characteristics of software projects Invisibility Progress is not emmediatly visible Process of making the invisible visible Complexity Per £ spent, software project contains more complexity than other engineered artifacts Conformity Traditional engineers usually work with physical systems such as cement & steel Developers have to conform the requirements of human clients AND Humans are inconsistant Discuss the following 3 successive processes Feasibility Study Assesses if a project is worth starting, that it has a valid business case Planning If feasibility study indicates that the project seems viable, then project can start Outlined plan is created, with detailed on for first stage Project Execution Contains design & implementation sub-phases Conditions under which a project is considered succesful Project Objectives: Agreed functionality On required level of quality INF3708_exam_memos. 1 10,000 30,000 - 90,000 - 70,000 2 10,000 30,000 - 80,000 - 40,000 3 10,000 30,000 - 70,000 - 10,000 4 20,000 30,000 - 50,000 20,000 5 100,000 30,000 50,000 50,000 Net Profit 50,000 50,000 Project 1 Break Even = Break even Year - (Profit in BE year/Cash flow BE year) = 5 - (50000/) 4.50 Project 2 Break Even = Break even Year - (Profit in BE year/Cash flow BE year) = 4 - (20000/20000) 3.00 Given that both project have the same net profit I will implement project 2 as it has a shorter payback period Question 3.1 a b a x b Year Project 1 Discount Factor NPV 0 - 100,000 1.0000 - 100,000 1 10,000 0.9091 9,091 2 10,000 0.8264 8,264 3 10,000 0.7513 7,513 4 20,000 0.6830 13,660 5 100,000 0.6209 62,090 618 Question 4.1 Briefly discuss the following process models: Waterfall Model Classical model of system development Also known as one-shot or once through model Sequence of activities working from top to bottom Limited scope for interation (strenght) Creates natural milestones at end of each phase