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Operating Systems Interview Questions
Questions Answers Views Company eMail

Write is a binary search tree? Write an algorithm and tell complexity?

ITC Indian Tobacco Company,

518

How will you sort the elements of array in descending order?

Wipro,

597

How would you sort words in a large file?

DELL,

560

Write a program for Sorting an Array. Which sorting will you prefer?

 595

Can you explain the Virtual memory?

HPCL, Huawei,

585

Can you distinguish between ArrayList and Array?

QuestPond,

587

Program to remove duplicate elements in an array.

InterGraph,

532

Explain the Stack

Tech Mahindra,

558

How would you implement two stacks using a single array?

TCS,

564

What happens if an array goes out-of-bounds?

TCS,

668

Write a code for dynamic allocation of array.

iNautix,

601

If you have to store one lakh objects, what will be a better option- a hash map or an array list?

DELL,

830

Is Arraylist faster than Array? Why?

QuestPond,

540

What is the difference between array list and vector list?

CGI,

505

Explain the Linked List

Tech Mahindra,

646

Un-Answered Questions { Operating Systems }

Can you reinstall windows 10 without a disk?

432

Can you program in command prompt?

509

Write a program to reverse a single linked list.

555

Name which command can be used to monitor disk performance?

425

Explain about the command lynx?

678




Explain difference between ntfs4 and ntfs5?

606

Does linux have a registry?

401

Does windows 10 have paint?

438

How do you list contents of tar.gz and extract only one file?

494

What is a treemap used for?

483

Where is rundll32 located?

499

What are the advantages of sorting?

529

Why is hashmap faster than arraylist?

536

How to find the mac address in windows xp?

490

What is the difference between linux and redhat?

415

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