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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 33500

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

Brainware,

2 37448

Describe the Buddy system of memory allocation.

HP,

3 14210

What is time-stamping?

 1 10146

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

 1 7041

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

 1 9677

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

 2 9599

What are demand- and pre-paging?

 4 26498

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

IBM,

2 11035

What is page cannibalizing?

HCL, Wipro,

1 14781

What has triggered the need for multitasking in PCs?

 1 3853

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

 1 4046

What is SMP?

 1 6642

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

 1 7197

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

 1 5099

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Un-Answered Questions { Operating Systems General Concepts }

What are the deadlock avoidance schemes?

663

What are distributed systems?

568

Is there a 86 bit operating system?

534

Enumerate the different RAID levels.

597

what is the difference between mutexes and semaphores?

603




What do you know about system model?

612

What is preemptive multitasking?

605

How can a ddr1 ram be identified from a ddr2 ram module physically?

530

What is bounded-buffer problem?

690

What does it mean to restore default settings?

481

What is starvation and aging?

676

What is load sharing in operating system (os)?

698

How do you know if you need 32 bit or 64 bit software?

491

What is system bus? Explain a few related terms.

580

Do I install 32 bit or 64 bit office?

529

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