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Operating Systems General Concepts Interview Questions
Questions Answers Views Company eMail

What are local and global page replacements?

TCS, Wipro,

4 32379

Define latency, transfer and seek time with respect to disk I/O.

Brainware,

2 36905

Describe the Buddy system of memory allocation.

HP,

3 13817

What is time-stamping?

1 9824

How are the wait or signal operations for monitor different from those for semaphores?

1 6818

In the context of memory management, what are placement and replacement algorithms?

1 9362

In loading programs into memory, what is the difference between load-time dynamic linking and run-time dynamic linking?

2 9232

What are demand- and pre-paging?

4 25841

Paging a memory management function, while multiprogramming a processor management function, are the two interdependent?

IBM,

2 10353

What is page cannibalizing?

HCL, Wipro,

1 14336

What has triggered the need for multitasking in PCs?

1 3637

What are the four layers that Windows NT have in order to achieve independence?

1 3762

What is SMP?

1 6217

What are the key object oriented concepts used by Windows NT?

1 6864

Is Windows NT a full blown object oriented operating system? Give reasons.

1 4806


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Un-Answered Questions { Operating Systems General Concepts }

Explain the functions of the cu and alu in the cpu of a computer.

400


State two differences between user and kernel space?

380


What grep means?

358


What resources are used when a thread created?

389


State the advantages of segmented paging over pure segmentation?

469






What are the disadvantages of context switching?

515


How do I run chkdsk?

369


What does direct input mean?

396


Which is faster shared memory or message passing?

401


What are types of os?

371


How much does a pc cost?

390


Can a 64 bit computer run 32 bit programs?

352


How to take backup using active directory recyclebin concept

1710


What is inaddr_any?

379


What is difference between program and x86?

380