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

Difference between static and dynamic RAM?

HCL,

23 107520

What is cache memory?

3 6836

Differentiate between RAM and ROM?

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

25 78106

What is a compiler?

7 9320

Can ROM be used as stack?

HAL,

4 22587

What is NV-RAM?

4Cplus,

3 6253

What is virtual memory?

HCL, Satyam,

4 9699

What is DRAM?

5 8349

What is a binary semaphore? What is its use?

CDC, Maveric, Morgan Stanley,

7 36704

What is an idle thread?

1 5137

What is lock granularity?

IBM,

1 5250

what is disk interleaving? why is disk interleaving adopted?

IBM,

2 16749

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

HCL,

6 10729

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

Verifone,

2 11363

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

Verifone,

2 6730

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Un-Answered Questions { Operating Systems General Concepts }

What are the functions of operating system?

1064

How does DMA increase system concurrency? How does it complicate hardware design?

1239

Is 64gb ram enough for gaming?

1005

Is atomic thread safe?

1009

Does grep ignore case?

1016

What are the different phases of compiler? What happens in lexical phase?

1189

Will increasing ram speed up my laptop?

1026

Tell me when does the condition 'rendezvous' arise?

1161

What does the 400 mhz signify in a ram specification?

988

What is a full form of ok?

1061

Explain briefly about assembler and its functioning?

1076

Explain the difference between demand-paging and pre-paging?

1103

What are the deadlock avoidance schemes?

1214

File which stores the DNS configuration at client side?

1229

What is aging in operating system?

1128

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