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Operating Systems General Concepts Interview Questions
Questions Answers Views Company eMail

Difference between static and dynamic RAM?

HCL,

23 102943

What is cache memory?

 3 6196

Differentiate between RAM and ROM?

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

25 73574

What is a compiler?

 7 8029

Can ROM be used as stack?

HAL,

4 21506

What is NV-RAM?

4Cplus,

3 5673

What is virtual memory?

HCL, Satyam,

4 8626

What is DRAM?

 5 7268

What is a binary semaphore? What is its use?

CDC, Maveric, Morgan Stanley,

7 35400

What is an idle thread?

 1 4733

What is lock granularity?

IBM,

1 4686

what is disk interleaving? why is disk interleaving adopted?

IBM,

2 16005

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

HCL,

6 9641

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

Verifone,

2 10843

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

Verifone,

2 6113

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Un-Answered Questions { Operating Systems General Concepts }

To ensure one program doesnt corrupt other program in a Multi program enviornment what you should do?

1958

What are the 3 categories of operating systems?

803

What are the different job scheduling in operating systems?

781

much time is spent usually in each phases and why?

832

Explain binary semaphore and its functionality.

783

Does more ram increase fps?

831

What is medium term scheduling in operating system (os)?

830

What is Real Time Operating System (RTOS)? What are the advantages of RTOS?

836

What are significance of semaphores?

855

Where are the global variables stored?

854

In a ram description ddr 2 1066mhz “2.5-3-3-8” what do the numbers in quotes signify?

699

What are the 4 stages of computing?

763

What is NOS?

805

How do I find the location of an excel file?

766

What do you mean by thread starvation?

828

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