Software Engineering (10th Edition)
10th Edition
ISBN: 9780133943030
Author: Ian Sommerville
Publisher: PEARSON
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Chapter 23, Problem 23.6E
Program Plan Intro
When a project is planned, milestones need to be defined. Milestones are associated with a single task or with a group of related tasks. The independent tasks are carried out parallel. A task which is dependent on another task is performed after that particular task is complete.
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A project has three sequences of activities (paths), two of which are critical. The critical paths of this project can be characterized in the following way:
a. The slack times for each task in the entire project are zero.
b. The chain of activities (from start to finish) that has the largest sum of activity durations.
c. The early start date and early finish date are always the same for each activity on the critical path.
d. To reduce the project duration, you must reduce the slack time of a task on the critical path.
e. None of the above are correct.
Task
Effort (person-days)
Duration(days)
Dependencies
T1
5
5
T2
11
24
T1
T3
5
10
T4
15
5
T2
T5
10
10
T3
What is the total effort ?What will be the shortest duration of the project, if you can have multiple people working on it ?
a. Effort: 44, Duration: 34
b. Effort: 34, Duration: 34
c. Effort:46, Duration: 46
d. Effort: 46, Duration: 34
e. Effort: 45, Duration: 34
Explain the project execution Spiral Model and V Model.
Chapter 23 Solutions
Software Engineering (10th Edition)
Ch. 23 - Prob. 23.1ECh. 23 - Explain why the process of project planning is...Ch. 23 - Prob. 23.3ECh. 23 - Prob. 23.4ECh. 23 - Prob. 23.5ECh. 23 - Prob. 23.6ECh. 23 - The planning game is based on the notion of...Ch. 23 - Prob. 23.8ECh. 23 - Prob. 23.9ECh. 23 - Is it ethical for a company to quote a low price...
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- Figure 23.14 sets out a number of tasks, their durations, and their dependencies. Draw a bar chart showing the project schedule.arrow_forwardThe term "scope creep" refers to a growth in a project's scope that may substantially raise costs. Give an example of how a good system context model keeps the scope from expanding.arrow_forward133. Model suitable for project requiring shorter development times is a. Waterfall model b. RAD model c. Incremental model d. Decremented modelarrow_forward
- Take any software project and apply scrum model on it, you have to make all task list of Take any software project and apply scrum model on it, you have to make all task list of product and make sprint backlogs, at least for three iterations of sprint. product and make sprint backlogs, at least for three iterations of sprint.arrow_forward17 The entical path method (CPM) calculates the theoretical early start and fish dates, and late start and finish dates. The difference between the late and early start of a task is called A Free float B. Feeding buffer C Danger zone D Total float 18 Which of the following is NOT a characteristic of a project? A Ongoing nature B Uniqueness C Clear objectives D Integration of interrelated tasks and resources 19. Which of the following is NOT managed by the project manager? A. Time, cost and scope B. The project team C. The project sponsor D Expectations of the stakeholders 20 When writing the roles and responsibilities for team members, you should document the role, authority, responsibility and competency for each team member. Where must this information be documented? -A Human resource management plan B RACI chart C Resource calendar D Resource Breakdown Structure (RBS) 21. Which of these is not a component of the scope baseline that is contained in the project management plan? A Work…arrow_forwardConsider a scenario where a task is dependent on another task being started not necessarily completed . For example a project may depend on a task being started and 25% being completed before the group could start their portion of the project. Do you think this situation occurs frequently in system analysis projectsarrow_forward
- Formal technical review (FTR) makes the project more manageable. Comment. Suppose you are working as a lead developer for a software house (This software house is a new startup so the developers are not well trained) and you are asked to deliver the project before the estimated time with the same available resources (i.e. neither the salary nor the practitioners are added). In this kind of situation: Which type of risks are identified? Discuss how would you plan the situation being a team leader (hint: Contingency plan)?arrow_forwardYou have been appointed as a software project manager and have drained up a strategy for the main project activities, as follows. You are required to prepare the followings. 1: Program Evaluation Review Technique by using Activity on Arrow Method 2 Critical Path Method (Forward and Backward Pass) Note: There should be no redundant dummy/dummies. Activities Preceding Activities Duration (Days) A 2 B 3 ... C 1 D А. В. С 4 E D 2 F D 3 G D 4 H E. R 2 E. R 2 Н. I I 1 K E. F. G 3 G.O 2 M G.O 1 L. M N. K. O. J 3 P А. В. С А. В. С 4 R 3arrow_forwardAnswer the following questions based on project planning Software Engineering: 1. Explain the looping process that occurs from the project scheduling! What criteria can be used to assume the loop process can be terminated?2. What is the difference between forward scheduling and backward scheduling, use the example [https://iansommerville.com/software-engineering-book/web/planning-activities/]? Also compare the Critical Path results of the two scheduling approaches?3. Is there a difference in Release Planning vs. Iteration Planning in making software using an Agile approach?4. Explain the level of accuracy of the Project Cost Estimation with COCOMO II?5. Explain how to get the estimated source line of code (SLOC)?arrow_forward
- 11. A model-based technique for estimation wherein standard parameters based on prior projects are applied to the new project is known as a. COCOMO b. decomposition c. resource leveling d. function pointsarrow_forwardQ: An accounting firm wants to modernize and outspread its current time recording structure. You have been appointed as a software project manager and have drained up a strategy for the main project activities, as follows. You are required to prepare the followings. 1: Program Evaluation Review Technique by using Activity on Arrow Method 2: Critical Path Method (Forward and Backward Pass) Note: There should be no redundant dummy/dummies. Activities Preceding Activities Duration (Days) A ---- 2 B ---- 3 C ---- 1 D A, B, C 4 E D 2 F D 3 G D 4 H E, R 2 I E, R 2 J H, I 1 O I 1 K E, F, G 3 L G, Q 2 M G, Q 1 N L, M 3 P N, K, O, J 4 Q A, B, C 4 R A, B, C 3arrow_forwardScope creep can be defined as a continuous increase in the scope of a project that can significantly increase project cost. Explain how a proper model of the system context can help prevent scope creeps.arrow_forward
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