Operating System Interview Questions | Operating System Interview Questions and answers

Operating System Interview Questions list for experienced

QUESTIONS BASED ON OS
What is a Deadlock?
What are necessary conditions for a deadlock?
What are deadlock prevention schemes?
What is a race condition?
What are the main functions of OS?
Enlist different types of OS.
What is Pipe and when it is used?
Name the operations performed on Semaphore.

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What is Operating System ?

Answer : An operating System (OS) is a basic software whose role is to be an abstract layer between software requisitions for resources and the hardware available, manage input/output, memory allocation/deallocation, file systems, among other basic tasks a device (not necessarily a computer) should do

Questions : 1 :: QUESTIONS BASED ON OS

What is aging in Operating System? What is aging in Operating System? When does trashing occur? What is Belady's Anomaly? How many types of fragmentation occur in...View answers

Questions : 2 :: What is a Deadlock?

Deadlock is a condition that arises when a set or group of processes are in blocked state, because each process has a resource and is waiting for other resource, that is already acquired by any...View answers

Questions : 3 :: What are necessary conditions for a deadlock?

here are 4 necessary conditions, out of which even if one is correct, it will lead the system into a condition of deadlock. 1. Mutual Exclusion If the resources can not be shared, then it is...View answers

Questions : 4 :: What are deadlock prevention schemes?

The following solutions may be helpful in preventing deadlocks. Shareable resources: If a system has resources that can be shared between a number of processes, then it will allow multiple processes...View answers

Questions : 5 :: What is a race condition?

When more than one processes try to get an access over the same resouce or a set of resources, then the output that is obtained after the exection of such processes is not desired, it is something...View answers

Questions : 6 :: What are the main functions of OS?

Memory management Providing user interface to users File Management Error...View answers

Questions : 7 :: Enlist different types of OS.

Batched OS: Payroll system Multi programmed OS: UNIX OS Timesharing OS: Multics Distributed OS: Locus Real-time OS:...View answers

Questions : 8 :: What is Pipe and when it is used?

Pipes are generally connectors between 2 or more processes that are linked to each other. Used for inter-process communication One can easily send the information from one process to another...View answers

Questions : 9 :: Name the operations performed on Semaphore.

There are basically two operations performed on Semaphore: 1. Wait() 2....View answers

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Operating System Interview Questions And Answers