Data Structures Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Data Structures Interview Questions

Questions Answers Views Company eMail

What is the need for path compression?

1081

Define a relation?

930

What do you mean by balanced trees?

1012

Define depth and height of a tree?

1104

Define forest?

971

What are the properties of binary heap?

1008

Define degree of the node?

989

What are the major data structures used in the following areas : network data model & hierarchical data model?

1023

What are the applications of b-tree?

976

When is a graph said to be weakly connected?

993

What do you mean by the term “percolate down”?

895

Define data type and what are the types of data type?

884

Name two algorithms two find minimum spanning tree?

921

What are the advantages of modularity?

947

What do you mean by hash table?

1026

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Un-Answered Questions { Data Structures }

Why sorting is used?

926

On clicking a node in a tree, all the adjacent edges are turned on. Calculate min of clicks such that all the edges are turned on.

966

What is meant by balanced binary tree?

875

What are the operations that can be performed on a stack?

911

What is the difference between data type and data structure?

863

What are the advantages of sorting?

933

What is perfect binary tree?

831

What is a treeset?

887

Is arraylist reference type?

919

How many passes are required in bubble sort?

811

Which programming language is best for data structures?

884

What is difference between tree and forest?

882

How do you explain bubble sort?

870

Write a program to sum values of given array.

1016

What is a hashers run?

890

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