Trees & graphs
8 practice questionsComputer ScienceStep-by-step solutions
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1
Which data structure is typically used to implement depth-first search (DFS)?
A.Queue
B.Stack
C.Hash table
D.Heap
2
The topmost node of a tree, with no parent, is called the:
A.Leaf
B.Root
C.Edge
D.Branch
3
A binary tree node has at most how many children?
A.1
B.2
C.3
D.Unlimited
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