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An operating system is difficult to define, [6] but has been called "the layer of software that manages a computer's resources for its users and their applications". [7] ...
An example block diagram, showing the Microsoft Windows 2000 operating system architecture.. A block diagram is a diagram of a system in which the principal parts or functions are represented by blocks connected by lines that show the relationships of the blocks. [1]
The Raspberry Pi (Model 2B shown) is a low-cost single-board computer often used to teach computer science. [1]A single-board computer (SBC) is a complete computer built on a single circuit board, with microprocessor(s), memory, input/output (I/O) and other features required of a functional computer.
PDP-11 CPU board. Computer hardware includes the physical parts of a computer, such as the central processing unit (CPU), random access memory (RAM), motherboard, computer data storage, graphics card, sound card, and computer case.
An Abnormal end or ABEND is an abnormal termination of software, or a program crash.Errors or crashes on the Novell NetWare network operating system are usually called ABENDs.
The integrated circuit is an essential invention to produce modern software systems. [2]The first use of the word software to describe computer programs is credited to mathematician John Wilder Tukey in 1958. [3]
Typical elements of a window.The window decoration is either drawn by the window manager or by the client. The drawing of the content is the task of the client. In computing, a windowing system (or window system) is a software suite that manages separately different parts of display screens. [1]
Windows 3.0 is the third major release of Microsoft Windows, launched on May 22, 1990.It introduces a new graphical user interface (GUI) that represents applications as clickable icons, instead of the list of file names in its predecessors.