Operating Systems
BIOS
Allows the user to control all the inputs and outputs
the start up
control periphreals
providing a platform for software to run on
providing a user interface
managing processes
managing the computer's memory
managing applications
managing security
multitasking
user interface
graphical user interface
security management
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memory management
more than one program can run at the same time
moer than one document can be opened at the same time
creation of files
save files to backing store
rename, copy, move and delete files
any device can be used with the operating system, as long as a driver is available for it.
drivers can be updated, usually to give better performance or to remove a bug
API
the applications manager allocates memory space and determines time needed by a processor for an application to run.
individual users to be created and deleted
access levels to be given to users, such as administrator rights or standard user rights.
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