Operating system software

Operating system software

1. an operating system is a piece of software, the KERNEL or core of which needs to be held in memory at all times, other components are loaded in when needed its required to:-

   • To act as an interface between human and the computer because a computer operates at electronic speeds which a human cannot match
     • the user interface is where the computer sysyem and human meet, the user interacts with menus and cons, sees programs runig in windows and organises files in folders, - these are virtual representations presented by the computer
   • To Monitor and control all hardware and software activities within the computer system
     • OS and hardware
     • OS and software
   • To organise files on disk
     • files stored on disks must also be kept in a logical way to ensure ease of location. therefore disks are divided into partitions, tracks and clusters. a database is used to keep a record of which clusters are used

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