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

Operating Systems General Concepts Interview Questions

Questions Answers Views Company eMail

What are local and global page replacements?

TCS, Wipro,

4 35776

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

Brainware,

2 38771

Describe the Buddy system of memory allocation.

HP,

3 15603

What is time-stamping?

1 11522

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

1 7883

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

1 10634

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

2 10874

What are demand- and pre-paging?

4 28424

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

IBM,

2 12491

What is page cannibalizing?

HCL, Wipro,

1 15829

What has triggered the need for multitasking in PCs?

1 4681

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

1 5017

What is SMP?

1 7936

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

1 8243

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

1 5946

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Un-Answered Questions { Operating Systems General Concepts }

What is tty stand for?

1048

What is difference between program and x86?

1087

Is 32 gigs of ram overkill?

1003

What is the highest ram?

1056

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

976

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

1127

Which is the fastest operating system?

1051

What is a 32 bit system?

1107

How do I upgrade my excel to 64 bit?

1040

What is the difference between exclusive lock and shared lock?

1259

Can you please explain the difference between load-time dynamic linking and run-time dynamic linking?

1039

Under what circumstances do page faults occur? Describe the actions taken by the operating system when a page fault occurs?

1127

Different types of real-time scheduling?

1148

How can multiple threads be controlled simultaneously?

1191

What is the multi-treade and models (explain each models)?

3311

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