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

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Operating Systems General Concepts (1242)
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Operating Systems Interview Questions

Questions Answers Views Company eMail

Explain quick sort and merge sort algorithms and derive the time-constraint relation for these.

MNB,

8779

Explain binary searching, Fibinocci search.

CTS, IBM, TCS,

5 23831

What is the maximum total number of nodes in a tree that has N levels? Note that the root is level (zero)

CSC, National Instruments, Sasken, Sybrant Technologies,

18 52168

How many different binary trees and binary search trees can be made from three nodes that contain the key values 1, 2 & 3?

Accenture, Amazon, College School Exams Tests, iGate, Microsoft, TCS, Wipro,

28 77986

A list is ordered from smaller to largest when a sort is called. Which sort would take the longest time to execute?

12 31841

A list is ordered from smaller to largest when a sort is called. Which sort would take the shortest time to execute?

17 34262

When will you sort an array of pointers to list elements, rather than sorting the elements themselves?

5 22900

The element being searched for is not found in an array of 100 elements. What is the average number of comparisons needed in a sequential search to determine that the element is not there, if the elements are completely unordered?

Morgan Stanley, Wipro,

11 35511

What is the average number of comparisons needed in a sequential search to determine the position of an element in an array of 100 elements, if the elements are ordered from largest to smallest?

ABB, SDE,

19 66748

Which sort show the best average behavior?

9 35628

What is the average number of comparisons in a sequential search?

5 16858

Which data structure is needed to convert infix notations to post fix notations?

Fidelity, Infosys,

20 44316

What do you mean by: Syntax Error, Logical Error, Runtime Error?

College School Exams Tests, Microsoft,

7 62186

In which data structure, elements can be added or removed at either end, but not in the middle?

Infosys, NIC, TTA, Wipro,

42 105741

How will inorder, preorder and postorder traversals print the elements of a tree?

11 36805

Un-Answered Questions { Operating Systems }

Explain how scheduling and priority works in threads?

1061

How can you find a path to the file in the system?

895

Will mac programs run on linux?

870

Can I upgrade my windows 7 computer to windows 10?

793

Write the syntax in c to create a node in the singly linked list.

1023

which file that error daemon stay?

How do I delete files in system32?

884

Should I install 32 or 64 bit?

1027

Whats the difference between a thread and a process?

823

What is a socket connection?

935

What does the kill command do?

870

What do you mean by header in computer?

992

What is makefile in unix?

1075

What are benefits of linux?

916

What you mean by sorting?

921

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