Assignment
Weekly topics: Expected time for activities/ Outline of an information systems plan
I: Time estimates
Calculate the expected time for the following activities.
|
Activity
|
Optimistic Time
|
Most Likely Time
|
Pessimistic Time
|
Expected Time
|
|
A
|
3
|
7
|
11
|
|
|
B
|
5
|
9
|
13
|
|
|
C
|
1
|
2
|
9
|
|
|
D
|
2
|
3
|
16
|
|
|
E
|
2
|
4
|
18
|
|
|
F
|
3
|
4
|
11
|
|
|
G
|
1
|
4
|
7
|
|
|
H
|
3
|
4
|
5
|
|
|
I
|
2
|
4
|
12
|
|
|
J
|
4
|
7
|
9
|
|
II: Project diagrams
A project has been defined to contain the following list of activities along with their required times for completion.
|
Activity No.
|
Immediate Activity
|
Time (weeks)
|
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
|
Specific tasks for exercise II project diagrams.
1. Draw a network diagram for the activities.
2. Construct a Gantt chart for the project.
3. Calculate the earliest expected completion time.
4. Show the critical path.
III. Preliminary outline of an information systems plan
• Create a preliminary outline of an information systems plan.
• Choose a company that you are familiar with (or research one that you are note).
• Follow the "Outline of an information systems plan" shown in and complete a short information systems plan for the organization you chose.
• Write at least one brief paragraph for each of the seven categories in the outline.
FIGURE 4-15 Outline of an information systems plan
Located in: Hoffer, J, George, J, Valacich, J (2016). Modern Systems Analysis and Design. Upper Saddle River, NJ. Prentice Hall.