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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