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Edward S Inglês 12 flashcards

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1What is an Operating System?The interface between the hardware/software and the human user, involved in the everyday management of the computer.
2Give examples of Operating SystemsWindows, Linux, Mac OS X, Ubuntu, Android Phone
3Application SoftwarePieces of software that perform a particular task such as word processing or desktop publishing.
4Systems software (OS)Control the running of hardware and the running of other software.
5OS Functions Diagram
6OS Functions List• File/Memory management
• Security
• Provision of a GUI
• Input output
• Error reporting
• Utility software management.
7Memory ManagementControls the RAM of the system, the computer's memory and the sharing of the central processing unit(CPU). Makes sure that each application gets the right amount of resources.
8File ManagementControls where and how files are saved onto backing storage. Handles organisation and tracking of files and directories.
9SecurityControls access of programs and processes. Ensures all access to system resources is controlled. Provides authentication features.
10InterfaceMost modern operating systems provide a Graphical User Interface.
11Input/OutputControls the sending and receiving of data to and from peripherals.
12Error ReportingProvides useful feedback to users when errors do occur. Monitors the system for any errors that occur.