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Operating Systems General Concepts Interview Questions
Questions Answers Views Company eMail

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

How does thread synchronization occur in a monitor?

1051

Suppose if we have a variable 'I' in run method, if I can create one or more thread each thread will occupy a separate copy or same variable will be shared?

1163

What is difference between Process and Thread?

1101

What do you mean by multithreading?

1083

How to stop running thread?

1133

What is the main difficulty that a programmer must overcome in writing an operating system for a real-time environment?

1429

How the Kernel handles both the page stealer and the fault handler?

1089

Distinguish between PCS and SCS scheduling.

1 2471

How does DMA increase system concurrency? How does it complicate hardware design?

1253

What is called a page fault?

1120

What is fragmentation? Different types of fragmentation?

1086

What are starvation and aging?

1100

What is the difference between soft and hard links?

1053

How do you change File Access Permissions?

1179


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Un-Answered Questions { Operating Systems General Concepts }

Tell me something about the concept of memory leak?

1116


What does 64bit mean?

986


Where is program files located?

1075


How do I check for memory leaks?

1192


Which event determines that all the controls are completely loaded into memory?

1090


What differences are there between a semaphore wait signal and a condition variable wait signal?

1081


How to setup never expired user password?

1060


Different types of real-time scheduling?

1105


What is ram parity?

1164


Explain what are device drivers used for?

1051


Can you please explain the difference between demand-paging and pre-paging?

1055


When did 64 bit come out?

1039


What do you mean by a zombie process?

1101


Does direct memory manipulation is an unsafe operations, if yes, how?

1099


How can the speed of interrupt driven input output systems be improved?

1137