Internal nodes have___________....

MCQ

Internal nodes have___________.

Child nodes

Parent nodes

Both (a) and (b)

None of the above

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MCQ

Consider the below left-left rotation pseudo code where the node contains value pointers to left, right child nodes and a height value and Height() function returns height value stored at a particular node.
What is missing?

avltree leftrotation(avltreenode z):
   avltreenode w =x-left
   x-left=w-right
   w-right=x
   x-height=max(Height(x-left),Height(x-right))+1 
   w-height=max(missing)+1   
  return w

Height(w-left), x-height

Height(w-right), x-height

Height(w-left), x

Height(w-left)

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MCQ

How do you determine the cost of a spanning tree?

By the sum of the costs of the edges of the tree

By the sum of the costs of the edges and vertices of the tree

By the sum of the costs of the vertices of the tree

By the sum of the costs of the edges of the graph

By the sum of thecosts of the edges and vertices of the graph.

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MCQ

When representing any algebraic expression E which uses only binary operations in a 2-tree,

the variable in E will appear as external nodes and operations in internal nodes

the operations in E will appear as external nodes and variables in internal nodes

the variables and operations in E will appear only in internal nodes

the variables and operations in E will appear only in external nodes

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MCQ

What would be the cost value for any answering node of a sub tree with root

Maximum

Minimum

Optimal

Average

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MCQ

When is it appropriate to use direct addressing?

When the array is comparatively large

When the universe U of keys is reasonably small

When the universe U of keys is reasonably large

When the array is comparatively small

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Lists

Stacks

Queues

Trees

Binary Trees

B Trees

Heaps

Hash based structures

Graphs

Mixed

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