23.2.1 - Introduction to DAGs
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Practice Questions
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Define a Directed Acyclic Graph (DAG).
💡 Hint: Focus on the terms directed and acyclic.
What does 'in-degree' describe?
💡 Hint: Think about the incoming connections to a node.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a key characteristic of a DAG?
💡 Hint: Recall the definition of acyclic.
True or False: A task with in-degree of zero can be started immediately.
💡 Hint: Think about task dependencies.
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Challenge Problems
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Given the tasks A, B, C, and D with the dependencies A -> B, A -> C, B -> D, C -> D, construct a DAG and describe the sequence of tasks.
💡 Hint: Focus on the dependencies to form the correct order.
If a DAG has three vertices with in-degrees of 0, discuss how this could affect topological sorting.
💡 Hint: Consider how having more starting points impacts task sequencing.
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