This page gathers the 5,883 dictionary entries belonging to the domain “Computing”, as labelled by Wiktionary. Each word leads to its full entry: definitions, etymology, pronunciation, examples. Page 36 of 59: from “on-prem” to “pad”.
- on-prem adj Installed and run on computers on the premises of the organisation that uses it, and not elsewhere (such as in a server farm or in the…
- on-the-fly encryption noun A type of encryption, or its software, which uses virtual drives to encrypt information that is then decrypted in RAM.
- one shot noun A programmable interval timer.
- one-liner noun A command or small program consisting of a single line of input.
- one-time pad noun A form of encryption where each bit or character from the plaintext is encrypted by a modular addition with a bit or character from a…
- one-way adj Of a function: easy to compute for every input, but hard to invert given the image of a random input.
- ones' complement noun The number obtained by subtracting a given n-digit binary number from 2ⁿ-1 (which yields the same result as the logical complement).
- onion routing noun A technique for anonymous communication over a computer network, the messages being repeatedly encrypted and sent through nodes called…
- online verb To bring (a system, etc.) online; to promote to an active or running state.
- ontology noun A structure of concepts or entities within a domain, organized by relationships; a system model.
- oop verb To use object-oriented programming for a task.
- opaque adj Describes a type for which higher-level callers have no knowledge of data values or their representations; all operations are carried out…
- open verb To connect to a resource (a file, document, etc.) for viewing or editing.
- open source adj Of or relating to software where the source code is freely available and licensed in a manner that permits modification and redistribution.
- open system noun A system allowing hardware and software from different manufacturers to be used together seamlessly.
- openness noun The degree of accessibility to view, use, and modify in a shared environment with legal rights generally held in common and preventing…
- operand noun A quantity to which an operator is applied (in 3-x, the operands of the subtraction operator are 3 and x).
- operating system noun Software that is designed for controlling the allocation and the use of various hardware resources to tasks and remote terminals.
- operating time noun The time interval between the instant a request for service is received from a user and the instant of final release of all facilities by…
- operation noun A procedure for generating a value from one or more other values (the operands).
- operator noun The administrator of a channel or network on IRC.
- opinionated adj Enforcing one particular approach instead of offering options and flexibility.
- oplock noun An opportunistic lock on a file system object, used for caching purposes rather than to avoid modifications by multiple users at once.
- optical character recognition noun The electronic identification and digital encoding of printed or handwritten characters by means of an optical scanner and specialized…
- optical disc noun A modern data storage medium consisting of a flat disc read mechanically by illumination with laser light, including the Laserdisc, compact…
- optical mouse noun A mouse (pointing device) that uses a light source and a light detector (for example, an LED and an array of photodiodes) to detect…
- optimistic adj Allowing other processes to perform transactions on the same data at the same time, and checking for conflicts only when changes need to be…
- optimization noun The reduction of a program or algorithm to its most efficient form, as during compilation, by removing unused portions of code and…
- optimize out verb To omit (some portion of program logic) through optimization, when it is found to be unused or unnecessary.
- optimizer noun A program that uses linear programming to optimize a process.
- option verb To configure, by setting an option.
- optional noun In various programming languages, a kind of variable that is assigned a specific data type but may or may not hold an actual value.
- or conj A lexical symbol to implement inclusive or in a computer language.
- oracle noun A theoretical entity capable of answering some collection of questions.
- oracle machine noun In computability theory, a form of theoretical Turing machine, able to solve even undecidable decision problems in a single operation.
- orchestration noun The automated arrangement, coordination, and management of computer systems, middleware, and services.
- orchestrator noun A system that performs orchestration (automated configuration, deployment, etc.).
- order statistic tree noun A variant of the binary search tree (or more generally, a B-tree) that supports, in addition to insertion, lookup and deletion, the…
- organizer noun A hand-held micro-computer that will perform specific tasks; can be used as an electronic diary, alarm clock, recorder of memos and notes…
- orphan verb To make unavailable, as by removing the last remaining pointer or reference to.
- orphan off verb To remove all links to (something), leaving it an orphan; to render a technical item (website, function, etc.) useless by removing…
- orthogonal adj Of two or more aspects of a problem, able to be treated separately; of a design, exhibiting consistency and composability.
- ortholinear adj Of a keyboard, having keys that are aligned in a perfect grid.
- os noun Initialism of operating system.
- oscillator noun A pattern that returns to its original state, in the same orientation and position, after a finite number of generations.
- OSI layer noun Any of the seven layers of abstraction in the OSI model of communications systems: application, presentation, session, transport, network…
- out-of-band adj Of a value returned by a function: not in its natural range of return values, but rather signaling an exception.
- out-of-band signaling noun A type of transmission technology in which signaling is separate from the data being transmitted, using one or more channels for…
- out-of-tree adj Located outside of a source tree.
- outbox noun An electronic folder serving the same purpose, for electronic mail.
- outcase noun A condition that allows code to break out of a recursive routine.
- outcode noun A code used in the Cohen-Sutherland algorithm, indicating how a line should be clipped relative to the viewport.
- outcrack verb To surpass in cracking (security systems etc.).
- outer totalistic adj Having the state of each cell represented by a number, and the value of a cell dependent only on its current value along with the sum of…
- outline verb To optimize for size by replacing repeated code fragments with function calls.
- outliner noun A software system for organizing text into a hierarchy.
- outprint noun A print-out.
- output noun Data sent out of the computer, as to output device such as a monitor or printer, or data sent from one program on the computer to another.
- output device noun Any device that formats and presents data for display to a user; examples include printers and video monitors
- outscatter noun Synonym of backscatter.
- outscriber noun A magnetic recording device that serves as a buffer for data being transmitted from computer to printer, to reduce delays in printing.
- overbound noun A Gaussian model of the (non-Gaussian) error distribution on a signal, which is conservative enough that the resulting confidence interval…
- overburn verb To record more than the usual available data capacity onto (an optical disc).
- overclock verb To run a processor (CPU), or any electronic logic device, at a speed higher than is recommended by the manufacturer.
- overcommit noun Allocation of more resources than are actually available.
- overdraw noun The process by which, during the rendering of a three-dimensional scene, a pixel is replaced by one that is closer to the viewpoint, as…
- overfilter noun A morphological filter (idempotent operator) whose image is a superset of the domain.
- overflow noun The situation where a value exceeds the available numeric range.
- overhead noun Data or steps of computation used only to facilitate the computations in the system and not directly related to the actual program code or…
- overindex verb To attempt to access an element beyond the bounds of (an array).
- overlay noun A block of program code that is loaded over something previously loaded, so as to replace the functionality.
- overlicensed adj Having purchased more licences than are legally required.
- overload noun An overloaded version of a function.
- overloaded adj of a name, used for more than one variable or procedure etc; differentiated by the compiler based on context
- overloop noun An outer loop; A loop that contains an inner loop.
- overpaint verb To erase by drawing graphics over the top.
- overpost verb To breach security by overwriting data that is not intended for user input.
- overscroll noun A feature where content being scrolled goes beyond its end point and bounces back, giving the user visual feedback that the end has been…
- overstore noun The overwriting of memory or data, especially when done in error.
- overstrike noun overtype (feature where input replaces existing characters instead of being inserted before them)
- oversubscribe verb To use the oversubscription technique in multithreading.
- oversubscription noun A multithreading technique involving an extra thread that runs tasks when all other threads are blocked.
- overtype noun A feature in wordprocessing whereby each typed character replaces the character after the cursor rather than being inserted before it.
- overwrite verb To destroy (older) data by recording new data over it.
- overwriter noun Software that writes over the contents or unused section of a data store to prevent recovery of sensitive information.
- own verb To illicitly obtain administrative access to a computer system, thereby having full access to all the files thereon (including executables).
- p-code noun A very low-level code that is machine-independent and enables a compiled file to be run on different processor types.
- P-complete adj Describing any problem in the complexity class P to which there exists a polynomial time mapping from any other problem in P.
- pachinko allocation noun In machine learning and natural language processing, a suite of algorithms to determine the thematic structure of a collection of documents…
- pack verb To compress (data).
- package noun A piece of software which has been prepared in such a way that it can be installed with a package manager.
- package format noun A type of archive containing computer programs and additional metadata required by a package manager.
- package manager noun A computer program responsible for installing, updating and configuring other software, maintaining an index of installed programs and…
- packager noun A program that groups objects or data into a single file.
- packed decimal noun A storage mode that places two decimal digits into one byte, each digit occupying four bits. The sign occupies four bits in the least…
- packer noun A software program that compresses code or data.
- packet noun A small fragment of data as transmitted on some types of network, notably Ethernet networks (Wikipedia).
- packet switching noun A means of directing digitally encoded information in a communication network from its source to its destination, in which messages may be…
- packet tracer noun A tool used to monitor, analyze and simulate network traffic by capturing data packets over a network.
- pad noun A random key (originally written on a disposable pad) of the same length as the plaintext.