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Utility software is system software designed to help to analyze, configure, optimize or maintain a computer.

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Security software is a general phrase used to describe any software that provides security for a computer or network.

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Security management is the identification of an organization's assets (including people, buildings, machines, systems and information assets), followed by the development, documentation, and implementation of policies and procedures for protecting these assets.

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'Application Management' is an ongoing activity, as opposed to 'Application Development' which is typically a one-time set of activities to construct applications.

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A computer consists of various devices that provide input and output (I/O) to and from the outside world. Typical devices are keyboards, mice, audio controllers, video controllers, disk drives, networking ports, and so on. Device drivers provide the software connection between the devices and the operating system

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Input output management in operating system. Introduction: - In computing, input/output, or I/O, refers to the communication between an information processing system (such as a computer), and the outside world possibly a human, or another information processing system.

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Process management is an integral part of any modern-day operating system. The OS must allocate resources to processes, enable processes to share and exchange information, protect the resources of each process from other processes and enable synchronization among processes.

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Memory management is the process of controlling and coordinating computer memory, assigning portions called blocks to various running programs to optimize overall system performance. Memory management resides in hardware, in the OS (operating system), and in programs and applications.

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The low-level software that supports a computer's basic functions, such as scheduling tasks and controlling peripherals (plural noun: peripherals a peripheral device."printers and other peripherals")

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(basic input/output system)The program a computer's microprocessor uses to get the computer system started after you turn it on. It also manages data flow between the computer's operating system and attached devices such as the hard disk, video adapter, keyboard, mouse and printer.