system analysis and design
7. A project has been defined to contain the following list of activities along with their required times for completion.
|
Activity No. |
Activity |
Time (weeks) |
Immediate Predecessors |
|
1 |
Collect requirements |
3 |
|
|
2 |
Analyze processes |
2 |
1 |
|
3 |
Analyze data |
2 |
2 |
|
4 |
Design processes |
6 |
2 |
|
5 |
Design data |
3 |
3 |
|
6 |
Design screens |
2 |
3,4 |
|
7 |
Design reports |
4 |
4,5 |
|
8 |
Program |
5 |
6,7 |
|
9 |
Test and Document |
7 |
7 |
|
10 |
Install |
2 |
8,9 |
a. Draw a Network diagram for the activities.
b. Calculate the earliest expected completion time.
c. Show the critical path
d. What would happen if activity 6 were revised to take 6 weeks instead of 2 weeks?
8. Construct a Gantt chart for the project defined in Problem and Exercise 7.