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Operating System Characteristics and Functionality • What task does an OS perform for me? – A typical personal OS support many useful function. – Most important, while you use your computer and application software, your OS handles the vital task of resource management. • A resource is any of your computer components. Section 4.1 Operating System Characteristics and Functionality Peripheral Management Section 4.1 Operating System Characteristics and Functionality Peripheral Management • When you use your mouse to double-click on an icon to start a piece of software, your computer must – See P. 100 Section 4.1 Operating System Characteristics and Functionality Memory Management • While using your computer, your RAM temporarily stores your OS, the application software you’re using, and any information you’re working with. • An important feature of effective memory management is your ability to perform multitasking. • An example from memory management point of view – See P. 101 Section 4.1 Operating System Characteristics and Functionality Memory Management • When you copy the work-graph and then past it into your word processing document, your computer must – See p. 101 for (1), (2), (3) and (4). Section 4.1