Functions of Operating System.pptx
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The operating system performs several key functions including memory management, processor management, and scheduling. For memory management, the operating system allocates and deallocates memory, keeps track of what programs are using what parts of memory, and how much, and distributes memory for multiprocessing. For processor management and scheduling, the operating system manages the execution of processes by determining which processes run when using techniques like multiprocessing and multiprogramming.
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Functions of Operating System.pptx
- 2. 1. Memory Management It is the management of the main or primary memory. Whatever program is executed, it has to be present in the main memory. a. The operating system: b. Allocates and deallocates the memory. c. Keeps a record of which part of primary memory is used by whom and how much. d. Distributes the memory while multiprocessing. e. In multiprogramming, the operating system selects which processes acquire memory when and how much memory they get.
- 3. 2. Processor Management/Scheduling Every software that runs on a computer, whether in the background or in the frontend, is a process. Processor management is an execution unit in which a program operates.