Multiple choice technology architecture

In a graph if e=(u, v) means

  1. u is adjacent to v but v is not adjacent to u

  2. e begins at u and ends at v

  3. u is processor and v is successor

  4. both b and c
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In a directed graph, edge e=(u,v) represents an ordered pair where u is the tail (start/predecessor) and v is the head (end/successor). This directionality means u is adjacent to v, but v is not adjacent to u in directed graphs (unless there's a reverse edge).

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