Operating system software

bmclaughlin232
Mind Map by bmclaughlin232, updated more than 1 year ago
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ICT REVISION Mind Map on Operating system software, created by bmclaughlin232 on 01/17/2014.
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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:-
1.1 To act as an interface between human and the computer because a computer operates at electronic speeds which a human cannot match
1.1.1 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
1.2 To Monitor and control all hardware and software activities within the computer system
1.2.1 OS and hardware
1.2.2 OS and software
1.3 To organise files on disk
1.3.1 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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