Eduqas A-Level Business A510QS
Enterprise, Business Plans and Location
Markets, Demand and Market Research
Business Structure and Sources of Finance
Revenue, Costs and Break-Even
Marketing and the Marketing Mix
Financial Planning and Accounts
People in Organisations
Motivation, Management and Employee Relations
Operations Management
Data and Market Analysis
Analysing Business Performance
Aims, Objectives and Strategy
Decision-Making and Investment Appraisal
Change and Risk Management
PEST Factors and the External Environment
Ethical, Legal and Environmental Factors
International Trade, Globalisation and the European Union
Decision-Making and Investment Appraisal
Critical path analysis: building the network
- 3 things to know
- Component 2
Overview
Critical path analysis, node in a critical path network and activity in a critical path network.
What you need to know
Answer each one before you reveal it.
How is the backward pass carried out?
What is total float?
Questions from this subtopic
Each one with the model answer underneath.
- 1
What is critical path analysis?
Model answer
Critical path analysis is a technique for scheduling a project made up of many activities. The network shows which activities depend on others and identifies the shortest possible completion time.
- 2
What is a node in a critical path network?
Model answer
A node is a circle marking the start or finish of an activity. Each node carries a number, the earliest start time and the latest finish time.
- 3
What is an activity in a critical path network?
Model answer
An activity is a task that takes time and resources, drawn as an arrow between two nodes. The arrow is labelled with the activity letter and its duration.
- 4
What is meant by a dependency?
Model answer
A dependency is a requirement that one activity finish before another can begin. Dependencies determine the shape of the network and cannot be ignored to save time.
- 5
What is the earliest start time?
Model answer
The earliest start time is the soonest an activity can begin, given everything that must happen first. Earliest start times are found by working forwards through the network.
- 6
What is the latest finish time?
Model answer
The latest finish time is the last moment an activity can end without delaying the whole project. Latest finish times are found by working backwards from the final node.
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