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Operating Systems General Concepts Interview Questions
Questions Answers Views Company eMail

What is a real-time system?

SureSoft, Verifone, Wipro,

7 7789

What is the difference between hard and soft real-time systems?

4 8647

What is a mission critical system?

CSE,

1409

What is the important aspect of a real-time system?

2421

If two processes which shares same system memory and system clock in a distributed system, what is it called?

IBM,

2 5710

What is the state of processor, when a process is waiting for some event to occur?

3 5373

What do you mean by deadlock?

2 3978

Explain the difference between micro-kernel and macro-kernel? Give an examples of micro-kernel and macro-kernel?

1 7670

When would you choose bottom-up methodology?

1701

When would you choose Top-down methodology?

1431

Why paging is used?

2 10367

Which is the best page replacement algorithm and why? How much time is spent usually in each phases and why?

3 10690

Difference between Primary storage and secondary storage?

3 23322

What is multi-tasking, multi-programming,multi-threading?

TCS,

9 42573

What is software life cycle?

2 3290


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Un-Answered Questions { Operating Systems General Concepts }

Is it possible to have a deadlock involving only one process?

144


Give an example of a Process State.

172


What is process synchronization?

160


What are necessary conditions which can lead to a deadlock situation in a system?

231


How do you tell if your computer is 32 or 64 bit?

102






List the possible threads a thread can have?

146


What do you know about interrupt?

150


Explain the difference between trap and trapdoor?

135


Explain smp.

158


How many types of fragmentation occur in operating system?

137


What do you mean by semaphore?

113


How do I copy a path to a shared drive?

127


Why is interrupt vector used in operating systems?

135


How do I enable macros?

105


Explain page fault interrupt?

155