what are four major functions of an os?
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1. List four major functions of an OS. It manages hardware, runs applications, provides an interface for users, and stores, retrieves, and manipulates files.
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An operating system is the level of programming that lets you do things with your computer. The operating system interacts with a computer's hardware on a basic level, transmitting your commands into language the hardware can interpret. The OS acts as a platform for all other applications on your machine.
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['Shell – it is the outer part of an operating system and it is responsible of interacting with the operating system.', 'Kernel – Responsible for managing and controlling computer resources such as the processor, main memory, storage devices, input devices, output devices and communication devices.']
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['Architecture. All computer operating systems are designed for a particular computer architecture. ... ', 'Processing power. The power of the central processing unit (CPU) is a fundamental system requirement for any software. ... ', 'Memory. ... ', 'Secondary storage. ... ', 'Display adapter. ... ', 'Peripherals. ... ', 'Platform. ... ', 'APIs and drivers.']
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['Primary Memory and Secondary Storage.', 'Peripherals.']
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Functions of the operating system manages the CPU - runs applications and executes and cancels processes. multi-tasks - allows multiple applications to run at the same time. managesmemory - transfers programs into and out of memory, allocates free space between programs, and keeps track of memory usage.
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['User Interface.', 'Program Execution.', 'File system manipulation.', 'Input / Output Operations.', 'Communication.', 'Resource Allocation.', 'Error Detection.', 'Accounting.']
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['Data files.', 'Redo Logs.', 'Control files.', 'Password files and.', 'Parameter files.']
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['Managing and monitoring all installed systems and infrastructure.', 'Installing, configuring, testing and maintaining operating systems, application software and system management tools.', 'Ensuring the highest levels of systems and infrastructure availability.']
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System software runs the hardware and computer system. The two main categories of system software are operating systems and utility software. Functions of system software are: The three major functions of system software are allocating system resources, monitoring system activities, and disk and file management.
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['i) Multiuser OS: In a multiuser OS, more than one user can use the same system at a same time through the multi I/O terminal or through the network. ... ', 'ii) Multiprocessing OS: ... ', 'iii) Multiprogramming OS: ... ', 'iv) Multitasking OS: ... ', 'v) Multithreading: ... ', 'vi) Batch Processing: ... ', 'vii) Online Processing:']
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Typically, the kernel is responsible for memory management, process and task management, and disk management. The kernel connects the system hardware to the application software. Every operating system has a kernel.
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What is the most important function of a network operating system (NOS)? keeping unwanted traffic out of the network. encrypting data traffic to ensure network security. sending data traffic to the correct location in the network.
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A General Purpose Operating System (GPOS) is an essential component of any mobile device, server, or computer system, and is responsible for running all the applications in an installation. Platforms like Linux, Windows, and Mac OS are GPOS.
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['Comparison Of The Top Operating Systems.', '#1) MS-Windows.', '#2) Ubuntu.', '#3) Mac OS.', '#4) Fedora.', '#5) Solaris.', '#6) Free BSD.', '#7) Chrome OS.']
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['Controls the backing store and peripherals such as scanners and printers.', 'Deals with the transfer of programs in and out of memory.', 'Organises the use of memory between programs.', 'Organises processing time between programs and users.', 'Maintains security and access rights of users.', 'Deals with errors and user instructions.']
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An operating system is the most important software that runs on a computer. It manages the computer's memory and processes, as well as all of its software and hardware. It also allows you to communicate with the computer without knowing how to speak the computer's language.