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The Cisco Certified Network Professional (CCNP) Certification enables networking professionals to prove their skills and knowledge in enterprise networking solutions....
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In a blockchain network, data is kept in several network nodes that are located at various locations. Decentralization in blockchain...
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N-tier application architecture provides a model for developers to create a flexible and reusable application. N-tier application architecture provides a...
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In artificial intelligence (AI) systems, backward chaining refers to a scenario where the AI has been provided with a specific...
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In computer science, a rule-based system is a set of “if-then” statements that uses a set of assertions, to which...
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Lambda Expressions are based on function programming; they have been added to .NET. A Lambda Expression is essentially a very...
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In computing, virtualization is the process of abstracting a resource beyond its physical form. Many types of technologies can be...
CompTIA represents the international technology community in delivering education and certification opportunities to IT professionals. The certifying organization aims to...
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In programming it is the number of arguments a function or operator takes. In some languages functions may have variable...
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Acronym for Extensible Firmware Interface The EFI specification is primarily intended for the IA-32 and Itanium architecture-based computers. The EFI...
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What is Sentinel Value? (sen t&-n&l val ) (n.) In programming, sentinel value is a special value that is used...
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(pronounced as separate letters) Short for event-driven architecture, an enterprise software infrastructure model in which events trigger the real-time exchange...
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A user defined function is a programmed routine that has its parameters set by the user of the system. User...
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(tr s kash) (n.) An instruction cache in a microprocessor that stores dynamic instruction sequences after they have been fetched...
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Short for Transaction-SQL, an extended form of SQL that adds declared variables, transaction control, error and exceptionhandling and row processing...
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One of the three basic logic structures in computer programming. The other two logic structures are selection and sequence. In...
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Also called a decision, one of the three basic logic structures in computer programming. The other two logic structures are...
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(1) One of the three basic logic structures in computer programming. The other two logic structures are selection and loop....
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Also called a fatal system error, an operating system (OS) error that causes the OS to stop functioning and can...
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Short for serial presence detect, a category of information that is stored in an EEPROM chip on a memory module...
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Also called a multiboot, an operating system configuration that enables the user to boot the computer system from one of...
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(d -nam ik funk sh&n l d ing) (n.) Also known as lazy loading, the capability to specify which components...
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The order of drives that a system s BIOS follows when looking for the operating system (OS) to boot after...
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A small program that loads the operating system into the computer s memory when the system is booted and also...
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(i-vent han dler) (n.) A function or method containing program statements that are executed in response to an event. An...
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A data-driven management philosophy developed by Motorola for eliminating defects, waste and quality-control problems in manufacturing. The basic idea behind...
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Abbreviated POST, a diagnostic testing sequence run by a computer s BIOS as the computer s power is initially turned...
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A condition that occurs when two or more processes continually change their state in response to changes in the other...
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(adj.) Used to describe systems that are designed to terminate any nonessential processing when there are hardware or software failures....
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A type of program error that requires that the program responsible for the error be shut down. Software applications communicate...
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Acronym for Simple Authentication and Security Layer. Originating with RFC 2222, written by John Myers while at Netscape Communications, SASL...
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A database sub-tablethat selects and sorts records as specified by a question. It will automatically reflect changes in its underlying...
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In object-oriented programming, a procedure that is executed when an object receives a message. A method is really the same...
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A routine that doesn’t actually do anything other than declare itself and the parameters it accepts. Stubs are used commonly...
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Starting (booting) a computer as minimalistically as possible. Typically when you start your computer, it loads many files and programs...
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Oracle is a global technology company specializing in database software, enterprise software, hardware, and cloud applications and infrastructure. Known for...
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The invocation of an operating system routine. Operating systems contain sets of routines for performing various low-level operations. For example,...
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(1) In software, a module is a part of a program. Programs are composed of one or more independently developed...
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Refers to restarting a computer that is already turned on via the operating system. Restarting it returns the computer to...
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An interrupt signal generated by a program or device that has waited a certain length of time for some input...
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Refers to the condition that occurs when a computer attempts to represent a number that is too small for it...
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A section of a program that performs a particular task. Programs consist of modules, each of which contains one or...
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A programming method in which a routine calls itself. Recursion is an extremely powerful concept, but it can strain a...
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(v.) To copy data to a place where it can be used by a program. The term is commonly used...
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(1) Characteristic. For example, specifying parameters means defining the characteristics of something. In general, parameters are used to customize a...
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What is Multitasking? The ability to execute more than one task at the same time, a task being a program....
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To stop a program or function before it has finished naturally. The term abort refers to both requested and unexpected...
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To activate. One usually speaks of invoking a function or routine in a program. In this sense, the term invoke...
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What is a Function? (1) In programming, a named section of a program that performs a specific task. In this...
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(v.) Same as run, to perform an action, as in executing a program or a command.
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(1) Event is an action or occurrence detected by a program. Events can be user actions, such as clicking a...
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The start-up of a computer from a powered-down, or off, state. Also called a hard boot. Contrast with warm boot,...
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(v.) To load the first piece of software that starts a computer. Because the operating system is essential for running...
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Executing a series of non-interactive jobs all at one time. The term originated in the days when users entered programs...
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(n.) (1) Multitasking computers are capable of executing several tasks, or programs, at the same time. In some multitasking systems,...
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In programming, a value that you pass to a routine. For example, if SQRT is a routine that returns the...