Q1: System Analysis And Design

The following table sets out a number of activities, durations and dependencies.

1. Draw PERT DIAGRAM that showing the project schedule. (4marks)

2. Explain what should be done if T2 takes 20 days instead of 15days. (2marks)

3. Determine the critical path in diagram.

Task	Duration (days)	Dependencies
T1	10
T2	15	T1
T3	10	T1,T2
T4	20
T5	10
T6	15	T3, T4
T7	20	T3
T8	35	T7
T9	15	T6
T10	5	T5, T9

Q2:

Explain the purpose of systems alternatives as a section of system proposal.