COSC 475 Exam 2 Questions with Verified Solutions Graded A+

COSC 475 Exam 2 Questions with Verified Solutions Graded A+ Another name for bar chart - Answers Gantt Chart Bar Chart Schedule Steps - Answers - Project Duration - Critical Activity / Path - Floats - Early Start Schedule - Late - 4 Different Relationships + Lag / Lead Revising Bar Chart because of change order... - Answers Will be a bit difficult Bar Chart Preparation - Answers - Identify Activities - Estimate Activity Durations - Develop Activity Sequence - Construct Bar Chart Who developed Bar Chart? - Answers Henry Gantt in 1917 Bar Chart Time Scaled - Answers Length of a bar representing a certain activity is proportional to the duration of that activity. What is not shown on Bar Chart? - Answers Dependency between activities What is easy to show on Bar Chart? Why are they so popular? - Answers - Current schedule status - % complete - simplistic and easy of understanding - No calculations are involved Disadvantages of a Bar Chart - Answers - Lack of logical representation (relationships) - Can't understand why an activity started when it did - Bar charts may not be practical in a project with many activities 4 types of of activity relationships: - Answers - Physical relationship - Safety relationship - Resource relationship - Preferential relationship Things to remember when constructing bar chart: - Answers - how to lay out schedule - what time units to use - use work days or calendar days? - non-continuous work? Activity-On-Arrow (AOA) - Answers Arrow Diagramming Method or I-J Network Finish-to-Start Relationship Only Activity On Node (AON) - Answers Precedence Diagramming Method Uses 4 relationship types - Finish to Start - Start to Start - Finish to Finish