OS

    [OS] Basics of OS ( I/O Structure)

    Storage is only one of many types of I/O devices within a computer A large portion of operating system code is dedicated to managing I/O, both becasuse of its importance to the reliability and performance of a system and because of the varying nature of the devices → Relibility and Performance of System greatly depends upon "How its input and output are managed in varying nature of the devices" ..

    [OS] Basics of OS ( Storage Structure)

    Register Smallest Storage Store data in bits (0, 1) Access very Quickly RAM ( Random Access Memory ) Load and Execute programs that are saved in secondary memory Fast but limited size(Cannot sotre all of data in main memory), Volitaile in nature Volatile → Loses its contents when power is removed Non-Volatile → Retains its contents even when power is removed Youtube Neso Academy 강의를 듣고 정리한 글입니다.

    [OS] Basics of OS : Computer System Operation

    Some basic knowledge of the structure of Computer System is required to understand how Operating Systems work. → A modern general-purpose computer system consists of one or more CPUs and a number of device controllers connected through a common bus that provides access to shared memory. Each device controller is in charge of a specific type of device The CPU and the device controllers can execut..

    [OS] Introduction to Operating System

    An Operating System (OS) is a program that manages the computer hardware. It also provides a basis for Application Programs and acts as an intermediary between computer User and computer Hardware Types of OS Batch OS Time sharing OS Distributed OS Network OS Real Time OS Multi Programming/ Processing/ Tasking OS Functions of OS It is an interface between User & Hardware Allocation of Resources M..