APPLICATION ASSIGNMENT

Application Assignment on Managing Information System Development



Application Assignment on Managing Information System Development

5.5. Refer to Figures 5.5 a and 5.5 b, and assume the following:

a. Prepare a schedule network for the 13 tasks, showing sequential and concurrent activities and milestones.

b. Prepare a list of the 13 tasks. List the EST, LST, EFT, and LFT for each task.

Start node

End node

Activity time

Early Start

Early Finish

Late Start

Late Finish

Slack

Project

22

3.2.1.1

0

1

2

0

2

0

2

0

3.2.1.2

1

2

1

2

3

2

3

0

3.2.1.3

2

3

1

3

4

3

4

0

3.2.2.1

3

4

4

4

8

4

8

0

3.2.2.2

4

5

2

8

10

8

10

0

3.2.3.1

5

6

2

10

12

10

12

0

3.2.3.2

6

7

1

12

13

12

13

0

3.2.3.3

7

8

1

13

14

13

14

0

3.2.3.3

8

9

2

14

16

14

16

0

3.2.4.1

9

10

2

16

18

16

18

0

3.2.4.2

10

11

1

18

19

18

19

0

3.2.4.3

11

12

1

19

20

19

20

0

3.2.5

12

13

2

20

22

20

22

0

c. List the tasks on the critical path using the ESTs and LSTs.

Following are the tasks that are present on critical path:

3.2.1.1

3.2.1.2

3.2.1.3

3.2.2.1

3.2.2.2

3.2.3.1

3.2.3.2

3.2.3.3

3.2.3.3

3.2.4.1

3.2.4.2

3.2.4.3

3.2.5

d. Using the critical path, list the time needed to complete the 13 tasks.

It will take 22 weeks to complete all the 13 tasks.

e. Prepare a staffing profile for the 13 tasks using the EST for each task.

TASKS

PERSONS

WEEKS

3.2.1.1

1

2

3.2.1.2

1

1

3.2.1.3

1

1

3.2.2.1

2

4

3.2.2.2

2

2

3.2.3.1

1

2

3.2.3.2

1

1

3.2.3.3

1

1

3.2.3.3

2

2

3.2.4.1

1

2

3.2.4.2

1

1

3.2.4.3

1

1

3.2.5

2

2

5.7. Using the template for work packages in Table 5.3 a , design work packages for 5 of the 12 tasks in Table 5.4 and Figure 5.6 . You will have to “ invent ” some of the missing information; be creative but not ridiculous.

Activity number Description Predecessors Duration Staff number 2.1 Receive approval to proceed — — — 3.1 Analyze requirements 2.1 1 2 3.2 Design 3.2.1 Redesign existing components 3.1 6 4 3.2.2 Design new components 3.1 3 1 3.2.3 Design interfaces 3.2.2 1 2 3.3 Implement code 3.3.1 Implement new code 3.2.2 6 2 3.3.2 Modify existing code 3.2.1, 3.2.3 5 1 3.4 Finish implementation 3.4.1 Develop integration plan 3.2.2 2 2 3.4.2 Finish unit testing 3.3.1, 3.3.2 2 2 3.4.3 Update documentation 3.3.1, 3.3.2 2 3 3.5 Integrate and test 3.5.1 Develop integration tests 3.4.1 1 3 3.5.2 Perform integration tests 3.4.2, 3.4.3, 3.5.1 1 ...