Operating System

Paging is a memory management technique used by operating systems to allow processes to use more memory than is physically available in the system. Paging … Read more

A Network Operating System (NOS) is an operating system designed specifically to manage and coordinate network resources, devices, and services. It is responsible for providing … Read more

Mutex (short for mutual exclusion) is a synchronization mechanism that is used to ensure that only one process or thread can access a shared resource … Read more

The process state diagram is a graphical representation of the different states a process can be in during its lifetime in an operating system. Here … Read more

In an operating system, a CPU scheduler is a component responsible for selecting processes from the ready queue and assigning them to the CPU for … Read more

Consider the following page reference string:1,2,3,4,5,3,4,1,2,7,8,7,8,9,7,8,9,5,4,5. How many page faults would occur for the following replacement algorithm, assuming four frames:a) FIFOb) LRU a) FIFO (First … Read more

The dining philosophers problem is a classic concurrency problem in computer science, which involves a group of philosophers who share a circular table and some … Read more

Points to be Considered in File System Design: 1. File System Type: The type of file system used can affect the performance and functionality of … Read more

There are four necessary conditions that must be present simultaneously for a deadlock situation to arise: 1. Mutual Exclusion: At least one resource must be … Read more

System call A system call is a programming interface provided by an operating system that allows applications to request services from the kernel. The system … Read more