Operating Systems Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Linux (2255)
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RTOS (43)
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Operating Systems General Concepts (1242)
Data Structures (2039)

Operating Systems Interview Questions

Questions Answers Views Company eMail

Draw the B-tree of order 3 created by inserting the following data arriving in sequence – 92 24 6 7 11 8 22 4 5 16 19 20 78

1546

Of the following tree structure, which is, efficient considering space and time complexities? (a) Incomplete Binary Tree (b) Complete Binary Tree (c) Full Binary Tree (b) Complete Binary Tree.

1 1620

Does the minimum spanning tree of a graph give the shortest distance between any 2 specified nodes?

1 1349

Which is the simplest file structure? (a) Sequential (b) Indexed (c) Random (a) Sequential

1078

Whether Linked List is linear or Non-linear data structure?

1 1267

Draw a binary Tree for the expression : A * B - (C + D) * (P / Q)

1353

For the following COBOL code, draw the Binary tree? 01 STUDENT_REC. 02 NAME. 03 FIRST_NAME PIC X(10). 03 LAST_NAME PIC X(10). 02 YEAR_OF_STUDY. 03 FIRST_SEM PIC XX. 03 SECOND_SEM PIC XX.

1234

What is Jagged Arrays?

918

Construct a doubly linked list using a single pointer in each node?

886

where do you use double linked list?

1001

Explain binary searching and Fibinocci search?

901

Write program for Quick sort ?

1043

What is the difference between Array and LinkedList?

959

write a program to accept name & sort them?

857

Write program for Bubble Sort ?

924

Un-Answered Questions { Operating Systems }

What is df command in unix?

913

Why should I use red hat linux?

823

Do threads run in parallel?

766

Are collections thread safe?

790

What is the minimum number of disk partitions required to install linux?

870

Is json a data structure?

887

Why sorting is done?

814

What does sed command do in unix?

1120

What is vlc web?

798

Differentiate linear from non linear data structure?

917

Is windows defender enough for windows 7?

784

What is thread and process?

758

Does arch linux have a gui?

795

Can you explain the steps to mirroring rootvg in your environment?

Define scheduling in OS.

1057

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