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2 cards from this section. Quick, good the night before a test.
What is a Directed Acyclic Graph?
Think about the two key characteristics: directed and acyclic.
Define indegree.
Remember, it relates to how many tasks depend on this task.
What defines a Directed Acyclic Graph?
Focus on the keywords in the definition.
Can a DAG have more than one starting point?
Think about tasks that can happen simultaneously.
Given a graph with the following edges: A -> B, A -> C, B -> D, C -> E, and D -> E. Determine if this graph is a DAG.
Check for paths that may return to start points.
Propose a new task flow for a project where tasks A, B, C, and D lead to a final task E. Identify the edges to create a valid DAG.
Visualize how each task must flow into the next.
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