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What is an operating system and what are the different types of operating systems?
Operating System
An Operating System or OS is a software program that allows the computer hardware to communicate and operate with the computer software. With no an operating system a computer would be useless.
Operating Systems types
As computers have developed and progressed thus have the types of operating systems. Below is an essential list of the different types of operating systems and a few instances of Operating Systems that fall into each of the categories. Several computer Operating Systems will fall into more then one of the below categories.
GUI
Multi-user
Multiprocessing
Multitasking
Multithreading
basic advantage of using interrupt initiated data transfer over transfer under program control without an interrupt
Q. Is the Internet a LAN or else a WAN? Answer: The Internet is a WAN as the a variety of computers are located at geographically different places and are connected by long-dis
Write a short note on PCB? Every process is represented in the operating system by a process control block also called a task control block. It contains more information regard
Modern networks are not implemented as a single piece of software; that would render the task of dealing with multiple technologies and manufacturers virtually impossible. The solu
operation policies
what is semantics of system call execution?
Parent and Child process communicate in unix A child and parent can interact through any of the normal inter-process communication schemes (pipes, message queues, sockets, s
Question: a) Illustrate with the help of a diagram, the difference between two tier and three tier architectures. b) Explain in what kind of environment, a peer to peer envi
Explain external fragmentation? External fragmentation is the process where the free space and the space still available for use, in a piece of storage become separated into ma
Essential Properties of Operating System 1. Batch: Jobs with similar needs are batched together and run through the computer as a group by an operator or automatic job sequen
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