Practice Exercise

Objective: Unit 2 Assignment – Practice Exercises
Weekly topics: Expected time for activities/ Outline of an information systems plan

I: Time estimates (10 points)
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 (20 points)
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.
Draw a network diagram for the activities.
Construct a Gantt chart for the project.
Calculate the earliest expected completion time.
Show the critical path.
III. Preliminary outline of an information systems plan (20 points)
Create a preliminary outline of an information systems plan.
Choose a company that you are familiar with (or research one that you are not).
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
Assignment Resource(s)
Valacich, J. S. & George, J. F. (2016). Modern systems analysis and design (8th ed.). Upper Saddle River, NJ: Pearson. ISBN: 978-0134204925

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