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What is a user interface? A user interface (UI) is the part of an operating system, program or device that the user uses to input and receive data. | In information technology, the user interface (UI) is everything designed into an information device with which a human being may interact -- including display screen, keyboard, mouse, light pen, the appearance of a desktop, illuminated characters, help messages, and how an application program or a Web site invites |
What is a file manager? A file manager or file browser is a computer program that provides a user interface to manage files and folders. | The system that an operating system or program uses to organize and keep track of files. For example, a hierarchical file system is one that uses directories to organize files into a tree structure. Although the operating system provides its own file management system, you can buy separate file management systems. |
What does booting the computer mean? To boot (as a verb; also "to boot up") a computer is to load an operating system into the computer's main memory or random access memory (RAM). Once the operating system is loaded (and, for example, on a PC, you see the initial Windows or Mac desktop screen), it's ready for users to run applications. | Why do we boot a computer? Booting is actually using a 'boot loader' programme that is self sustaining to start up. It comes from the term "pull yourself up by your bootstraps" as it is self-sustaining - the first one was in the 1950s. |
What are system resources? A resource, or system resource, is any physical or virtual component of limited availability within a computer system. Every device connected to a computer system is a resource. | System resources are often talked about in relation to system memory (your computer's RAM) but resources might also come from the CPU, the motherboard, or even other hardware |
What is basic computer tasks? In computer programming, a task is a basic unit of programming that an operating system controls. Depending on how the operating system defines a task in its design, this unit of programming may be an entire program or each successive invocation of a program | Since one program may make requests of other utility programs, the utility programs may also be considered tasks (or subtasks). All of today's widely-used operating systems support multitasking , which allows multiple tasks to run concurrently, taking turns using the resources of the computer |
Can you have a computer without an operating system? Since one program may make requests of other utility programs, the utility programs may also be considered tasks (or subtasks). All of today's widely-used operating systems support multitasking , which allows multiple tasks to run concurrently, taking turns using the resources of the computer | What is an operating system? the low-level software that supports a computer's basic functions, such as scheduling tasks and controlling peripherals. |
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