四川大学研究生软件项目管理课堂测试答案.docVIP

List the problems you experienced when you carried out a recent ICT-related assignment. Try to put these problems into some order of magnitude. For each problem consider whether there was some way in which the problem could have been reduced by better organization and planning by yourself. We plan to invest 5000$ for a project and wish to get 12500$ profit after five years. Suppose that there is 2500$ profit for every year and the interest rate is 12%. Please compute the NPV and DPBP for the project. Year Cash-flow Discount factor Discounted cash flow 0 -5,000 1.0000 -5,000 1 2,500 0.8929 2,232 2 2,500 0.7972 1,993 3 2,500 0.7118 1,780 4 2,500 0.6355 1,589 5 2,500 0.5674 1,419 NPV 4013 DPBP(动态回收期）= 3 years An invoicing system is to have the following components: amend invoice, produce invoice, produce monthly statements, record cash payment, clear paid invoices from database, create customer records, delete customer. What physical dependencies govern the order in which these transactions are implemented? 1. Create customer 2. Delete customer 3. Produce invoice 4. Amend invoice 5. Payment 6.Clear paid invoices 7. Produce monthly statements How could the system be broken down into increments which would be of some value to the users (hint – think about the problems of taking existing details onto a database when a system is first implemented). increment 1: Create customer, Delete customer increment 2: Produce invoice, Amend invoice increment 3: Payment, Clear paid invoices increment 4: Produce monthly statements Given the project data below: project inputs outputs entity accesses system users programming language developer days 1 210 420 40 10 x 30 2 469 1406 125 20 x 85 3 513 1283 76 18 y 108 4 660 2310 88 200 y 161 5 183 367 35 10 z 22 6 244 975 65 25 z 42 7 1600 3200 237 25 y 308 8 582 874 111 5 z 62 X 180 350 40 20 y Y 484 1190 69 35 y What items are size drivers? inputs, outputs, entity accesses (system users for certai