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Operating System - Coggle Diagram
Operating System
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I/O Device management
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Device drivers contain instructions on how to control a device and each connected device has its own device driver
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That 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
Security Management
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Access levels to be given to users, such as administrator rights or standard user rights
Auditing (keeping a log) of files that a user creates, accesses, edits and deletes
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Processor Management
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A multitasking operating system arranges for every process in memory to run in the CPU once they are ready to do so, switching between processes from different applications to keep them up to date
Application Management
Application programs and hardware can communicate through an interface provided by the operating system which is known as the application programs interface (API)
The applications manager allocates memory space and determines time needed by a processer for an application to run
User interface
A user interface is a program, or suite of programs that allows a user to interact with a computer
Memory Management
Computer memory must be managed to ensure that: More than one program can run at the same time and more than one document can be opened at the same time