HLLAPI
Short for High Level Language Application Program Interface, an IBM API that allows a PC application to communicate with a mainframe computer. HLLAPI requires a PC to run 3270 emulation software and then defines an interface between a PC application and the emulation software. This API is also called screen-scraping because the approach uses characters that would otherwise be displayed on a terminal screen.
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- HMC
Short for Hardware Management Console, HMC is an acronym frequently used to describe the IBM technology for managing and monitoring IBM mainframe (System z) or IBM UNIX (system p) servers. The HMC uses its network connections to one or more servers or frames to perform various management functions. As defined by IBM, Hardware Management Console […]
- HMD
Short for head-mounted display, a headset used with virtual reality systems. An HMD can be a pair of goggles or a full helmet. In front of each eye is a tiny monitor. Because there are two monitors, images appear as three-dimensional. In addition, most HMDs include a head tracker so that the system can respond […]
- Hewlett-Packard (HP)
Short for Hewlett-Packard, one of the world’s largest computer and electronics companies. Founded in 1939 by William Hewlett and David Packard, HP is best known today for its line of LaserJet and DeskJet printers. However, it produces more than 10,000 different products, ranging from computer systems to specialized electronic devices.
- HPA
Short for High-Performance Addressing, an passive-matrix display technology the provides better response rates and contrast than conventional LCD displays. Although HPA displays aren’t quite as crisp or fast as active-matrix (TFT) displays, they’re considerably less expensive to produce. Consequently, HPA is being used by a number of computer manufacturers for their low-end notebook computers.
- HPC
(1) Short for High Performance Computing. (2) Short for Handheld PC, Microsoft’s moniker for a personal digital assistant (PDA).