Operating Systems General Concepts Interview Questions
Questions Answers Views Company eMail

What is a real-time system?

SureSoft, Verifone, Wipro,

7 10266

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

4 10349

What is a mission critical system?

CSE,

1848

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

2853

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

IBM,

2 6882

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

3 6368

What do you mean by deadlock?

2 4859

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

1 8536

When would you choose bottom-up methodology?

2117

When would you choose Top-down methodology?

1869

Why paging is used?

2 11328

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

3 12955

Difference between Primary storage and secondary storage?

3 24414

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

TCS,

9 45181

What is software life cycle?

2 4194


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Un-Answered Questions { Operating Systems General Concepts }

What are different tasks of lexical analysis?

586


Define die threading and tapping.

584


What is operating system in english?

533


What is the main purpose of an operating system?

564


Hi Freinds, Any body is wotking as System Administrator, Please mail me rakesh.kesh881@gmail.com

1747






What does thread safe mean?

590


Why do I have x86 program file?

516


Explain IPC?

621


How are the wait/signal operations for monitor different from those for semaphores?

504


What is memory-management unit (mmu)?

639


Can I change a 32 bit to 64 bit?

539


When designing the file structure for an operating system, what attributes are considered?

599


What is a 64 bit application?

534


What is a long term scheduler & short term schedulers?

579


What are the four common types of files?

548