Operating systems usually come pre-loaded on any computer you buy. Each of these interfaces are two way transactions with each sending and receiving data. The Operating system interfaces with the Hardware. The System & Application software interfaces with the Operating System. In the image above the User interfaces with the System & Application software. The operating system coordinates all of this to make sure each program gets what it needs. Most of the time, there are several different computer programs running at the same time, and they all need to access your computer’s central processing unit (CPU), memory and storage. It performs basic tasks such as file, memory and process management, handling input and output, and controlling peripheral devices such as disk drives and printers. The operating system (OS) manages all of the software and hardware on the computer. What is an operating system?Īn operating system is a program that acts as an interface between the computer user and computer hardware, and controls the execution of programs. This resource will explain how operating systems work, and note the differences between the Microsoft Windows, Mac and Linux operating systems.
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December 2022
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