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An introduction to the fundamental concepts of an operating system, focusing on the role of the kernel and i/o management. It explains the purposes of an os, the functions of the kernel, and the differences between program-controlled and interrupt-driven i/o. Additionally, it discusses the usart serial interface and the roles of drivers and interfaces in hardware communication.
Typology: Lecture notes
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Purposes of an Operating System
Kernel The kernel is one of the components of the Operating System which works as a core component. The rest of the components depends on Kernel for the supply of the important services that are provided by the Operating System. The kernel is the primary interface between the Operating system and Hardware. Functions of Kernel The following functions are to be performed by the Kernel.
A real-time system requires that results be produced within a specified deadline period
