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 24 of 59: from “here document” to “hyper-”.
- here document noun A block of text included in the source code of a computer program in such a way that it is treated as a single string literal with line…
- hero noun The eye-catching top portion of a web page, sometimes including a hero image; the portion above the fold.
- heterogeneous adj Of a network comprising different types of computers, potentially with vastly differing memory sizes, processing power and even basic…
- heuristic adj That provides a useful, but not optimal, solution to a problem. Such algorithms are typically employed either because the only known…
- hex edit verb To manipulate the fundamental binary data that constitutes a computer file using a hex editor, which displays the data in hexadecimal…
- hex editor noun A text editor that allows for manipulation of the fundamental binary data that constitutes a computer file, displayed in hexadecimal format.
- hexadecimal noun A number system with base sixteen, using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E and F, most used in computing as a…
- hexatrigesimal noun A number system with base thirty-six, using the digits 0–9 and A–Z.
- hexavigesimal noun A number system with base twenty-six, using the digits 0–9 and A–P (or A-Z without numerals).
- hibernate verb To enter a standby state which conserves power without losing the contents of memory.
- hibernation noun A standby state which conserves power by writing the contents of the memory to disk and completely power off the computer, in order that…
- hidden code noun Code that is embedded in software or another system and is disguised to make it difficult to detect.
- hierarchical database noun A database whose records are linked in a tree-like structure, each child record having a single primary parent.
- high bit noun The most significant bit in the binary representation of a number, sometimes used to record the sign of the number.
- high color noun graphics with two bytes of storage per pixel, allowing for up to 65536 different colors
- high surrogate noun A code point in the range U+D800 through U+DBFF (the High Surrogates and High Private Use Surrogates blocks), used in UTF-16 to encode the…
- high-level adj Consisting of relatively natural language-like commands and mathematical notations which, after compilation or interpretation, become a set…
- high-level language noun A programming language requiring a compiler to translate it into a form that a particular machine understands, focusing on user-friendly…
- high-level synthesis noun A design method that automatically transforms an algorithmic or behavioral description of a digital system, written in a high-level…
- highway noun Synonym of bus (“common connection for two or more circuits or components”).
- hijacker noun Hijackware.
- hijackware noun Malicious software that commandeers other software, especially a web browser, so as to affect its behaviour.
- hillshade noun A graphical representation of a surface as if illuminated from one side
- Hindenbug noun A catastrophic bug that destroys data, and may potentially shut down a system or cause a major malfunction.
- Hindley-Milner type system noun A classical type system for the lambda calculus with parametric polymorphism, notable for its completeness and its ability to infer the…
- hint noun Information in a computer-based font that suggests how the outlines of the font's glyphs should be distorted in order to produce, at…
- history noun A record of previous user events, especially of visited web pages in a browser.
- hit noun A match found by searching a computer system or search engine
- hit point noun In ray tracing, the point in a scene at which a ray strikes an object.
- hitbox noun An invisible shape bounding all or part of a model (in a video game, etc.) used in collision detection to determine whether another object…
- hitscan noun A calculation to find the point at which a given line intersects an object in the game world, commonly used to determine whether a bullet…
- hive noun A section of the registry.
- Hoare logic noun A formal system of rules for reasoning about the correctness of computer programs, based on Hoare triples, which describe the state of the…
- Hoare triple noun A formal description of how the execution of a piece of code changes the state of the computation in Hoare logic, consisting of a command…
- hogel noun A small portion of a computer-generated light-field hologram, representing the direction and intensity of light rays from many perspectives.
- hoist verb To extract (code) from a loop construct as part of optimization.
- hoisting noun The behaviour of JavaScript syntax which allows variables to be used before they are declared.
- hold hostage verb To sabotage (a computer) with intent to blackmail the owner.
- holddown noun A period during which a network router ignores messages about a currently unreachable route, giving it time to become reachable again.
- hole noun A security vulnerability in software which can be taken advantage of by an exploit.
- hole punch verb To create a NAT, WAN-to-LAN port forwarding on the router.
- holy war noun A long-running and acrimonious debate or flame war over personal preferences in technical matters, such as the choice between little-endian…
- hom class noun A (possibly empty) class composed of the morphisms from A to B, where A and B are objects in some category, denoted operatorname Hom(A,B).
- hom-set noun The set or collection of all morphisms from A to B for some given ordered pair (A, B) of objects from some given category.
- home noun Clipping of home directory.
- home screen noun Alternative form of homescreen
- homegroup noun A collection of home computers on a network, similar to a workgroup.
- homelab noun A server set up in one's home for the purpose of testing various configurations of hardware, operating systems, etc.
- homoglyph noun A character identical or nearly identical in appearance to another, but which differs in the meaning it represents; thus, in character…
- homograph noun A text character or string that looks identical to another when rendered.
- homoiconicity noun A property of some programming languages, in which the primary representation of programs is also a data structure in a primitive type of…
- homomorphic encryption noun A form of encryption that permits users to perform computations on its encrypted data without first decrypting it.
- honeytoken noun A kind of honeypot that is not a computer system, such as a fake e-mail address used to track whether a mailing list has been stolen.
- honeyword noun An incorrect password published as part of a honeypot, so that any user attempting to log in with the password may be assumed to be an…
- hook noun Part of a system's operation that can be intercepted to change or augment its behaviour.
- hookable adj Able to be extended or modified by means of a software hook.
- hop noun The sending of a data packet from one host to an adjacent host as part of its overall journey.
- hopscotch hashing noun A scheme for resolving hash collisions, having an insertion algorithm that involves a series of hops.
- horizon noun The point at which a computer chess algorithm stops searching for further moves.
- horizontal categorification noun The process by which an algebraic structure is first categorified, realising it as a one-object category with certain properties, and then…
- hork verb To foul up; to be occupied with difficulty, tangle, or unpleasantness; to be broken.
- hose verb To break or destroy (a system), especially by wiping files or other content.
- host verb To run software made available to a remote user or process.
- hosting noun Running and maintaining a computer system on someone's behalf.
- hostname noun The unique name by which any device attached to a computer network is known.
- hot adj Frequently executed.
- hot corner noun A corner of the screen configured to perform an action when the pointer is moved there.
- hot folder noun A file system directory which is monitored by software so that any new files arriving in it can be processed.
- hot patch noun A patch (software fix) which is applied to a system while it is running, without the need to reboot the system to complete the patching…
- hot spot noun A part of an application that consumes a significant amount of execution time.
- hot swap verb To remove or replace a component while the computer is still running.
- hotbar noun A panel of buttons to which users can assign frequently used commands.
- hotbox noun A context-sensitive dialog that duplicates many of the commands on the menu for users of the Maya Embedded Language.
- hotkey noun A keyboard shortcut.
- hotword noun Synonym of wake word.
- hourglass verb To display the cursor as an hourglass indicating that the computer is busy or processing.
- housekeep verb To perform the general tasks of housekeeping.
- hover verb Chiefly followed by over: to use a mouse or other device to place a cursor over something on a screen such as a hyperlink or icon without…
- hoverable adj Capable of interaction by hovering.
- HTTP verb noun A HTTP method; any of a predefined set of words (such as GET, OPTIONS or POST) that are part of an HTTP request and indicate the desired…
- hub noun A computer networking device connecting several Ethernet ports. See switch.
- hub-and-spoke adj Being or relating to a topology, whether for the physical distribution of goods or for telecommunications, that has a central "hub"…
- Huey, Dewey and Louie noun Three hypothetical customers, user personas, or similar constructs.
- Huffman coding noun An entropy-encoding algorithm used for lossless data compression, involving a variable-length code table derived from the estimated…
- hugepage noun A memory page (a fixed-length contiguous block of virtual memory) that is significantly larger than a standard page.
- human-readable adj That can be read by humans (as well as computers), such as a file format based on plain text.
- humaniform noun A robot resembling a human.
- hung adj Of a computer or similar device, receiving power but not functioning as desired; working very slowly or not at all. The condition is often…
- Hungarian adj Of or relating to Hungarian notation.
- Hungarian notation noun A naming convention in which the name of a variable indicates its data type and intended use by including abbreviations as prefixes.
- hunk noun A record of differences between almost contiguous portions of two files (or other sources of information). Differences that are widely…
- hunt and peck noun The hunt-and-peck typing technique.
- hybrid noun A computer that is part analog computer and part digital computer.
- hybrid sleep noun A variant of sleep mode in which current data is retained both in memory (allowing fast resumption, as if from hibernation) and on disk (to…
- hydrate verb To load data from a database record into an object's variables
- hydration noun Client-side rendering of pre-rendered static server data, e.g. to make dynamic web pages.
- hydrocode noun Any of several computer programs that model the behaviour of fluid flow systems by breaking down the system into a three-dimensional matrix…
- hygiene noun The property of having an expansion that is guaranteed not to cause the accidental capture of identifiers.
- hygienic adj Whose expansion is guaranteed not to cause the accidental capture of identifiers.
- hyper- prefix linked non-sequentially