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Operating Systems Interview Questions
Questions Answers Views Company eMail

Explain the Array

Tech Mahindra,

580

What is difference between an Array and ArrayList?

UGC Corporation,

544

Tell me the difference between structure and array?

NIIT,

470

Questions related to arrays, such as given a 2 integer array, find the common elements.

Expedia,

530

An array having 100 elements have numbers from 1 to 99 randomly out of which any number is repeated. Find the repeated number in minimum time and space complexity.

 701

Explain the difference between a list and array.

TCS,

550

Check if duplicates exist in an array of N which has range 1 to N.

Expedia, GrapeCity,

554

What is the difference between Array and Array List ? Explain in brief with example.

MCN Solutions,

562

What is the procedure to insert into a sorted array?

Wipro,

564

Tell me the difference between the character array and a string.

Honeywell, HPCL, Huawei, Zomato,

515

What will happen if an array goes out of bounds?

Amdocs, HAL,

669

Explain the Queue

Tech Mahindra,

583

What are the various IPC mechanisms? Why is message passing costlier than semaphore?

Tech Mahindra,

546

Give an example of circular linked list in windows system?

 561

How can i do partition of my hard disk in preloaded windows 7 in my system

MCN Solutions,

488

Un-Answered Questions { Operating Systems }

How do I completely wipe my ssd?

464

How long should a windows defender full scan take?

405

Write a bash script to delete all the files in the current directory that contains the word “linux”.

459

How does arraylist store data?

473

What does ps mean?

491




Where is the menu bar?

554

What is difference between concurrenthashmap and hashtable?

424

Which one is not needed for multi-program environment?

559

How do I scan an exe for viruses?

503

How do you stop an app from crashing?

495

Why we are using windows xp as a clients for windows servers

2247

Define internal nodes?

545

Is windows defender good antivirus?

446

Does 64 bit require uefi bios?

554

What is minimum depth of binary tree?

512

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