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The storage of computer programs is key to the operation of modern computers and is the connection between computer hardware and software. [7] Even prior to this, in the mid-19th century mathematician George Boole invented Boolean algebra —a system of logic where each proposition is either true or false.
A technology consisting of computer components and recording media used to retain digital data. It is a core function and fundamental component of computers. [1] device memory local memory associated with a hardware device such as a graphics processing unit or OpenCL compute device, distinct from main memory. Digital Video Disc (DVD)
A driver provides a software interface to hardware devices, enabling operating systems and other computer programs to access hardware functions without needing to know precise details about the hardware being used. A driver communicates with the device through the computer bus or communications subsystem to which the hardware connects.
A computer can still function without an output device, as is commonly done with servers, where the primary interaction is typically over a data network. A number of protocols exist over serial ports or LAN cables to determine operational status, and to gain control over low-level configuration from a remote location without having a local ...
Opler projected that fourth-generation computer systems would have a writable control store (a small specialized high-speed memory) into which microcode firmware would be loaded. Many software functions would be moved to microcode, and instruction sets could be customized, with different firmware loaded for different instruction sets. [3]
Function- and arrow keys are nearly always present. Another factor determining the size of a keyboard is the size and spacing of the keys. The reduction is limited by the practical consideration that the keys must be large enough to be easily pressed by fingers. Alternatively, a tool is used for pressing small keys.
Device drivers and firmware, including computer BIOS or UEFI, provide basic functionality to operate and control the hardware connected to or built into the computer. A user interface interacts with a computer. [3] It can either be a command-line interface (CLI) or, since the 1980s, a graphical user interface (GUI). This is the part of the ...
The following outline is provided as an overview of and topical guide to computers: . Computers – programmable machines designed to automatically carry out sequences of arithmetic or logical operations.