Computing and IT terminology · MLC-0101
Computing and IT terms: H (61)
- H.264A video compression standard that enables efficient encoding of high-quality video with relatively low...
- H.265A video compression standard, also known as High Efficiency Video Coding (HEVC), designed to provide...
- HackAn unauthorized attempt to access or manipulate a computer system, network, or digital device. This action is...
- HackerAn individual who gains unauthorized access to computer systems or networks, often with the intent to exploit...
- Half-duplexA communication system that allows data to flow in both directions between two points, but not...
- HalftoneA method for reproducing an image with continuous tones, such as a photograph, using a pattern of...
- HANA home area network (HAN) connects devices within a residential dwelling, enabling them to share resources...
- HandleA unique identifier or username chosen by an individual to represent themselves on an online platform, social...
- HandshakeA process of automated negotiation between two communicating entities to establish the parameters of a...
- HapticsThe technology that simulates the sense of touch by applying forces, vibrations, or motions to the user. This...
- Hard copyA physical, tangible output of digital information, such as a document printed on paper or a photograph...
- Hard diskA non-volatile storage device that stores digitally encoded data on rapidly rotating platters with magnetic...
- Hard driveA non-volatile data storage device that stores and retrieves digital information using rapidly rotating...
- Hard tokenA physical device used to authorize access to a computer system or network as a factor in multi-factor...
- HardwareThe physical components of a computer system, including the internal parts and external peripherals. This...
- HashA fixed-size string of characters generated from an input of arbitrary size, typically used for data...
- HDA set of digital television broadcast standards and display resolutions that offer a higher quality picture...
- HDDA hard disk drive, a data storage device that uses magnetic recording to store and retrieve digital...
- HDMIHigh-Definition Multimedia Interface, a proprietary audio/video interface for transmitting uncompressed...
- HDRHigh dynamic range is a imaging technique used to reproduce a greater range of luminosity than is possible...
- HDTVA television set or system capable of receiving and displaying high-definition (HD) video signals...
- HDVA format for recording high-definition video on DV (Digital Video) cassette tapes. Introduced as a lower-cost...
- HeaderA block of data placed at the beginning of a transmission, file, or data packet, containing information about...
- HeadphonesA pair of small audio transducers designed to be worn on or in the ears, converting an electrical signal into...
- HeapA region of memory used for dynamic memory allocation, where blocks of memory are requested and released by a...
- HeartbleedA severe software bug discovered in the OpenSSL cryptographic library in 2014. This vulnerability allowed...
- Heat sinkA passive heat exchanger that transfers thermal energy from an electronic or mechanical device to a cooler...
- HEIFA container format for storing individual images and image sequences, specified as ISO/IEC 23008-12. High...
- HertzThe SI unit of frequency, defined as one cycle per second, used to measure the rate of periodic events. In...
- HeuristicA problem-solving approach that employs a practical method not guaranteed to be optimal or perfect, but...
- HexadecimalA base-16 numeral system that uses sixteen distinct symbols to represent numbers. These symbols are 0-9 for...
- HFSThe Hierarchical File System is a proprietary file system developed by Apple Inc. for organizing files on...
- HibernateA power-saving state for computers that saves the current state of the operating system and open applications...
- HiDPIHigh Dots Per Inch, a display technology where the pixel density is significantly higher than traditional...
- High SierraAn operating system version released by Apple for its Macintosh line of computers. This iteration, officially...
- High-level languageA programming language designed with a high degree of abstraction from the internal operations of a...
- HitA request made to a web server for a file, such as a web page, image, or script. Each element within a web...
- HMDA head-mounted display, a display device worn on the head or as part of a helmet, that has a small display...
- Home pageThe main or introductory page of a website, serving as the primary entry point for visitors. It typically...
- HoneypotA security mechanism designed to detect, deflect, or counteract attempts at unauthorized use of computer...
- Horizontal softwareSoftware designed to be applicable across a broad range of industries and business types, rather than being...
- HostA computer or other device connected to a network that provides resources, services, or data to other devices...
- HostnameA unique label assigned to a device on a network, used to identify it in a human-readable format. This name...
- Hot swappableDescribing a component or device that can be added or removed from a computer system while it is running...
- HotfixA small, targeted software update created to address a specific, urgent bug or security vulnerability in a...
- HoverThe action of positioning a mouse cursor or other pointing device over an interactive element on a graphical...
- HSBA color model that describes colors based on their Hue, Saturation, and Brightness components. Hue represents...
- HSFA heat sink and fan assembly, a cooling solution for electronic components, particularly central processing...
- HSLHue, saturation, lightness is a cylindrical-coordinate representation of points in an RGB color model...
- HTMLA markup language for creating web pages and other information that can be displayed in a web browser. It...
- HTML5The fifth major revision of the Hypertext Markup Language standard, offering enhanced capabilities for web...
- HTTPA request-response protocol in the client-server model that structures how data is transferred over the...
- HTTPSHypertext Transfer Protocol Secure, an extension of HTTP that encrypts communication between a web browser...
- HubA basic networking device that connects multiple Ethernet devices together, making them act as a single...
- HWBHue, white, black is a color model that defines colors by specifying a hue, and then mixing in amounts of...
- HyperautomationAn approach that combines multiple advanced technologies, such as robotic process automation, artificial...
- HyperlinkA reference to data that the user can directly follow by clicking or hovering over it. It connects one web...
- HypermediaAn extension of hypertext that incorporates multimedia elements such as graphics, audio, video, plain text...
- HypertextA system of organizing and presenting information where text is not constrained to be linear but contains...
- Hyper-threadingIntel's proprietary implementation of simultaneous multithreading that presents a single physical processor...
- HypervisorSoftware that creates and runs virtual machines, allowing multiple operating systems to share a single...
61 of 1,553 terms in Computing and IT terminology (MLC-0101). Request the full dataset.