Predecessors ES EF LS No. weeks Collect requirements 1 -- 2 Analyze Process 3 1 3 Analyze Data 3 4 Design Process 7 5 Design Data 6. 2 Design Screen 1 3, 4 7 Design Reports 4, 5 8 Program 4 6, 7 9. Test and Document 8. 7 10 Install 8, 9 * EL=Early Start, EF-Early Finish, LS=Late Start, LF=Late Finish a. Draw a Network diagram for the activities. b. Calculate Early Start, Early Finish, Late Start and Late Finish for all activities. [Show the calculation in detail] c. Calculate the earliest expected completion time. d. Show the critical path. e. What would happen if activity 6 were revised to take 6 weeks instead of 1 weeks? f. Construct a Gantt chart for the project defined in the Problem. [This Gantt chart has a July 28, 2020 start date.]

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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5

Predecessors
ES
EF
No.
weeks
Collect requirements
1
--
2
Analyze Process
3
1
3
Analyze Data
3
4
Design Process
7
2
5
Design Data
2
6.
Design Screen
1
3, 4
7
Design Reports
4, 5
8
Program
4
6, 7
9
Test and Document
8
7
10
Install
8, 9
* EL=Early Start, EF-Early Finish, LS=Late Start, LF=Late Finish
a. Draw a Network diagram for the activities.
b. Calculate Early Start, Early Finish, Late Start and Late Finish for all activities.
[Show the calculation in detail]
c. Calculate the earliest expected completion time.
d. Show the critical path.
e. What would happen if activity 6 were revised to take 6 weeks instead of 1 weeks?
f. Construct a Gantt chart for the project defined in the Problem. [This Gantt chart has a July 28,
2020 start date.]
Transcribed Image Text:Predecessors ES EF No. weeks Collect requirements 1 -- 2 Analyze Process 3 1 3 Analyze Data 3 4 Design Process 7 2 5 Design Data 2 6. Design Screen 1 3, 4 7 Design Reports 4, 5 8 Program 4 6, 7 9 Test and Document 8 7 10 Install 8, 9 * EL=Early Start, EF-Early Finish, LS=Late Start, LF=Late Finish a. Draw a Network diagram for the activities. b. Calculate Early Start, Early Finish, Late Start and Late Finish for all activities. [Show the calculation in detail] c. Calculate the earliest expected completion time. d. Show the critical path. e. What would happen if activity 6 were revised to take 6 weeks instead of 1 weeks? f. Construct a Gantt chart for the project defined in the Problem. [This Gantt chart has a July 28, 2020 start date.]
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