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In computing, a compiler is a computer program that translates computer code written in one programming language (the source language) into another language...

A patch is data that is intended to be used to modify an existing software resource such as a program or a file, often to fix bugs and security vulnerabilities...

Distributed Network Protocol 3 (DNP3) is a set of communications protocols used between components in process automation systems. Its main use is in utilities...

In computer programming, a type system is a logical system comprising a set of rules that assigns a property called a type (for example, integer, floating...

A Uniform Resource Identifier (URI), formerly Universal Resource Identifier, is a unique sequence of characters that identifies an abstract or physical...

The Document Object Model (DOM) is a cross-platform and language-independent interface that treats an HTML or XML document as a tree structure wherein...

Real-time computing (RTC) is the computer science term for hardware and software systems subject to a "real-time constraint", for example from event to...

The Apple II series of microcomputers was initially designed by Steve Wozniak, manufactured by Apple Computer (now Apple Inc.), and launched in 1977 with...

A domain-specific language (DSL) is a computer language specialized to a particular application domain. This is in contrast to a general-purpose language...

A bulletin board system (BBS), also called a computer bulletin board service (CBBS), was a computer server running software that allowed users to connect...

A file format is a standard way that information is encoded for storage in a computer file. It specifies how bits are used to encode information in a digital...

In computer science, hierarchical protection domains, often called protection rings, are mechanisms to protect data and functionality from faults (by improving...

An application-specific integrated circuit (ASIC /ˈeɪsɪk/) is an integrated circuit (IC) chip customized for a particular use, rather than intended for...

In cryptography, a cipher (or cypher) is an algorithm for performing encryption or decryption—a series of well-defined steps that can be followed as a...

In computing, a word is the natural unit of data used by a particular processor design. A word is a fixed-sized datum handled as a unit by the instruction...

In multitasking computer operating systems, a daemon (/ˈdiːmən/ or /ˈdeɪmən/) is a computer program that runs as a background process, rather than being...

In computer science, inter-process communication (IPC), also spelled interprocess communication, are the mechanisms provided by an operating system for...

Image compression is a type of data compression applied to digital images, to reduce their cost for storage or transmission. Algorithms may take advantage...

Memory management is a form of resource management applied to computer memory. The essential requirement of memory management is to provide ways to dynamically...

The adjective free in English is commonly used in one of two meanings: "at no monetary cost" (gratis) or "with little or no restriction" (libre). This...