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 12771

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

4 12086

What is a mission critical system?

CSE,

2344

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

3347

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

IBM,

2 7977

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

3 7827

What do you mean by deadlock?

2 5893

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

1 9393

When would you choose bottom-up methodology?

2590

When would you choose Top-down methodology?

2329

Why paging is used?

2 12362

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

3 14360

Difference between Primary storage and secondary storage?

3 25782

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

TCS,

9 47783

What is software life cycle?

2 5206

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Un-Answered Questions { Operating Systems General Concepts }

Explain the types of data storage and its relation with the cpu.

1082

How deadlock can be detected in a system?

1084

What is a 32 bit system?

1055

Considering notepad/IE or any other thing as process, What will happen if you start notepad or IE 3 times ? Where three processes are started or three threads are started?

1253

What is the sequence of the three way handshake?

997

What are 4 types of operating systems?

1087

Define demand paging?

1059

What is multi tasking, multi programming and multi threading?

997

What is fragmentation? Different types of fragmentation?

1086

What is context-switching in multi-threading?

1164

What is the limit of ram capacity in a 32bit os?

1077

What are the reasons for process termination?

1054

How do I find the path of a shared folder?

1078

What is the safest operating system?

1208

What is the virtual memory?

962

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