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Category: Operating System

April 24, 2022 Operating System

Most asked Operating System Interview Questions

Operating System (OS) is basically a software program that manages and handles all resources of a computer such as hardware

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April 24, 2022 Operating System

What are a socket, kernel, and monolithic kernel?

Abstract  Sockets are used for communication in client-server systems. The kernel is part of the operating system which resides in

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April 24, 2022 Operating System

What is main purpose of operating system? Discuss different types

Abstract An operating system is a user interface i.e. a program that acts as an interface between the user and

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April 24, 2022 Operating System

Difference between process, program and thread? Different types

A program consists of instructions in any programming language. A process consists of instructions in machine code. A program in

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April 24, 2022 Operating System

Define Virtual Memory, Thrashing and Threads

Virtual memory is a technique that allows the execution of processes that are not completely in memory.  If there is

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April 24, 2022 Operating System

What is RAID? Different types of RAID

The full form of RAID is a redundant array of independent disks. It employs techniques of striping, mirroring, or parity

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April 24, 2022 Operating System

What is a deadlock? Necessary conditions for deadlock

In a multiprogramming environment, several processes may compete for a finite number of resources. A process requests resources and if

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April 24, 2022 Operating System

What is Fragmentation? Types of Fragmentation

Fragmentation is the problem that arises in contiguous allocation. In fragmentation, memory splits into many small pieces and some part

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April 24, 2022 Operating System

What is spooling?

Spooling(Simultaneous peripheral operations on line) is a buffering mechanism. Spooling operates the I/O of one job with the computations of

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April 24, 2022 Operating System

What are semaphore and mutex? Define Binary Semaphore

Semaphore uses two atomic operations: wait and signal to solve critical section problems. Scope This article explains semaphore, mutex, and

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