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Operating Systems General Concepts Interview Questions
Questions Answers Views Company eMail

Difference between static and dynamic RAM?

HCL,

23 96404

What is cache memory?

 3 5291

Differentiate between RAM and ROM?

CTS, Doli Systems, HK, IBM, Infosys, Wipro,

25 66817

What is a compiler?

 7 5990

Can ROM be used as stack?

HAL,

4 19480

What is NV-RAM?

4Cplus,

3 4668

What is virtual memory?

HCL, Satyam,

4 6926

What is DRAM?

 5 5465

What is a binary semaphore? What is its use?

CDC, Maveric, Morgan Stanley,

7 33622

What is an idle thread?

 1 4090

What is lock granularity?

IBM,

1 3966

what is disk interleaving? why is disk interleaving adopted?

IBM,

2 14812

Semafore is used for? a) synchronization b) dead-lock avoidence c)box d) none

HCL,

6 7824

If there are too many page faults what is the problem?

Verifone,

2 9866

To ensure one pgm. doesnt corrupt other pgm. in a Multi-pgm. enviornment .what you should do?

Verifone,

2 5270

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Un-Answered Questions { Operating Systems General Concepts }

What are read-write locks?

399

Can I upgrade from 32bit to 64bit?

391

File which stores the DNS configuration at client side?

481

What is Throughput, Turnaround time, waiting time and Response time?

406

What are significance of semaphores?

464




One starts counting from 0 to max and the other stars from max to 0. Which one executes fast.

408

What is git bash?

404

What are necessary conditions for dead lock?

424

Explain 32 bit application/OS vs 64 application/OS?

382

What is the operating system?

432

What is the most used operating system?

379

What is an OS? Explain it to a layman.

424

Can I use chkdsk on ssd?

371

Is faster ram worth it?

377

Explain about local and global page replacements?

384

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