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

What is a real-time system?

SureSoft, Verifone, Wipro,

7 12992

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

4 12224

What is a mission critical system?

CSE,

2389

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

3379

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

IBM,

2 8060

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

3 7946

What do you mean by deadlock?

2 5996

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

1 9470

When would you choose bottom-up methodology?

2638

When would you choose Top-down methodology?

2384

Why paging is used?

2 12465

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

3 14471

Difference between Primary storage and secondary storage?

3 25935

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

TCS,

9 48082

What is software life cycle?

2 5303

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Un-Answered Questions { Operating Systems General Concepts }

Why do we use semaphore?

965

Should I use x86 or x64?

1023

Do I need 32gb of ram?

1032

How do I copy a full file path?

1128

What advantage is there in having different time-quantum sizes on different levels of a multilevel queuing system?

1378

What is dining philosophers’ problem?

1131

Is it safe to delete ost file?

1055

Explain about local and global page replacements?

1048

What is the maximum ram for a 64 bit operating system?

1065

What is the difference between micro kernel and macro kernel?

1250

What are threads in OS?

1189

What are the advantages of distributed system?

1047

Explain what do you understand by registers, briefly explain the various types of registers.

987

What is a full form of ok?

1128

How do I find the path of a shared folder?

1112

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