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

Explain what is a semaphore?

BPL,

1112

What is significance of semaphores? What are the different types of semaphores?

1160

What is a hard real time OS?

Motorola,

1188

Define max, min heap and search time of heap.

Amdocs, Tavant Technologies, Thomson Reuters, Verifone,

1075

Explain Marshalling?

MaxSolPro,

1042

Explain what are device drivers used for?

BPL,

1050

Explain what is meant by CORE DUMPS?

1074

What are the essential conditions for a deadlock to occur?

Zensar,

1060

How does yahoo handles billions of requests, does it create a thread per request or a process?

Yahoo,

1085

How can the FCFS scheduling be made better?

1191

How will you check if R3 system is a Unicode or non - Unicode system?

Atos Origin,

1093

What are the ways in which fault tolerance can be ensured in systems? (Different redundancy techniques)?

DELL,

1214

What is external fragmentation?

1144

What are the different phases of compiler? What happens in lexical phase?

Accenture,

1193

How does swapping result in better memory management?

1320

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Un-Answered Questions { Operating Systems General Concepts }

What is the difference between folder and directory?

1003

Is 100 cpu usage bad?

998

Some omeone on campus calls and says they have a new Mac. They've just pulled it out of the box and want to plug it into the campus network. What might they need to set to make this work?

1241

What is external fragmentation?

1144

What is context-switching in multi-threading?

1163

What are starvation and aging?

1100

How often should I run chkdsk?

973

What is spooling?

1126

Why do I have x86 program file?

999

How do I enable macros?

987

What is cache-coherency?

1045

What is the trtw/trwt timing?

1193

Explain about linker and the functions executed by them?

1021

What is the sequence of the three way handshake?

996

Can I delete program files x86?

939

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