Acronym | | Definition | Topics | External Links | |
H |
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Hexadecimal (sometimes as lowercase h) |
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H/PC |
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Hand-held Personal Computer |
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HA |
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High Availability / Highly Available |
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HAAK |
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(SHS) The Hacker Acronym & Abbreviation Knowledgebase |
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HAARP |
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High-frequency Active Auroral Research Program |
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HACMP |
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[AIX] High Availability Cluster Multi-Processing |
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HAJ |
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HTML And Javascript (microformat) |
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HAL |
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Hardware Abstraction Layer |
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HALE |
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Hacker's Against Law Enforcement |
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HAM |
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Hybrid Access Method |
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HAND |
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Have A Nice Day |
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HAR |
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HTTP Archive |
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HARP |
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Hackers Against Racial Parties |
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HASCS |
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Harvard Arts and Sciences Computer Services |
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HASP |
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Houston Automatic Spooling Priority |
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HATEOAS |
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Hypermedia as the Engine of Application State |
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HAVAL |
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Hash of Variable Length |
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HBA |
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Host Bus Adapter |
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HBFG |
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Host Behavior Functional Group (ATM Forum) |
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HBO |
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Home Box Office |
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HC |
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Hybrid Coordinator |
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HC |
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HyperChannel |
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HCAP |
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Host Credential Authorization Protocol |
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HCCB |
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High Capacity Color Barcode |
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HCD |
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Hardware Configuration Definition |
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HCDS |
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High Capacity Digital Service |
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HCF |
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Halt and Catch Fire |
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HCF |
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Hybrid Coordination Function |
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HCFA |
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Health Care Financing Administration |
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HCI |
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Host Controller Interface |
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HCI |
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Human-Computer Interaction |
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HCIG |
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Health Care Industry Group |
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HCL |
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Hardware Compatibility List |
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HCL |
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High Cross-Linkage |
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HCL |
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Hop Count Limit |
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HCM |
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Human Capital Management (system) |
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HCO |
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High Capacity Output |
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HCPCS |
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HCFA Common Procedural Coding System |
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HCS |
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Hard Clad Silica |
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HCS |
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Header Check Sequence |
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HCSDS |
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High Capacity Satellite Digital Service |
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HCSS |
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High-Capacity Storage System |
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HCT |
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Hardware Compatibility Test |
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HCTDS |
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High Capacity Terrestrial Digital Service |
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HD |
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Hard Disk (drive) |
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HD |
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Hard Drive |
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HD |
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High Definition |
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HD |
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High Density |
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HDA |
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[Intel] High-Definition Audio |
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HDA |
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Head Disk Assembly |
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HDA |
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High Density Alloy |
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HDB3 |
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High Density Bipolar - Three (zeros) |
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HDC |
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Hard Disk Controller |
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HDCP |
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High-Bandwidth Digital Content Protection |
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HDD |
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Hard Disk Drive |
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HDD |
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High Definition Display |
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HDD |
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High-Density Disk |
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HDK |
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Hardware Development Kit |
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HDL |
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Hardware Description Language |
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HDLC |
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High-level Data Link Control |
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HDMI |
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High Definition Multimedia Interface |
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HDML |
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Handheld Device Markup Language |
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HDSC |
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High Density Signal Carrier |
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HDSL |
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High-bit-rate Digital Subscriber Line |
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HDTP |
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Handheld Device Transport Protocol |
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HDTV |
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High Definition Television |
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HDVP |
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High Definition Video Processor |
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HDX |
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Half Duplex |
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HE |
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Head End |
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HEAP |
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Home Energy Assistance Program |
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HEC |
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Header Error Check / Header Error Control |
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HECI |
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Host Embedded Controller Interface |
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HEDIS |
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Healthplan Employer Data and Information Set |
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HEHO |
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High End Hop Off |
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HEL |
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Header Extension Length |
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HEMP |
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High - altitude ElectroMagnetic Pulse |
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HEMS |
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High - Level Entity Management System / High - Level Entity Monitoring System |
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HENCE |
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Heterogeneous Network Computing Environment (usually as HeNCE) |
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HEP |
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High Energy Physics |
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HEP |
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Hub Expansion Port |
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HEPNET |
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High Energy Physics NETwork |
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HERT |
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Hacker Emergency Response Team |
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HETLA |
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Highly Extended Three Letter Acronym |
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HEU |
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Hacking at the End of the Universe (convention) |
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HEX |
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Hexadecimal (base 16) |
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HF |
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Have Fun |
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HF |
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High Frequency |
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HF |
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Human Factors |
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HFC |
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Hybrid Fiber Coax |
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HFG |
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H4CK1NG F0R G1RL13Z (translated as Hacking For Girlies) |
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HFS |
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Hardware Functionality Scan |
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HFS |
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Hierarchical File System |
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HFSC |
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Hierarchical Fair Service Curve |
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HGC |
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Hercules Graphics Card |
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HHOJ |
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Ha Ha Only Joking |
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HHOK |
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Ha Ha Only Kidding |
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HHS |
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(Department of) Health and Human Services |
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HIBCC |
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Health Industry Business Communications Council |
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HIC |
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Hybrid Integrated Circuit |
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HICOM |
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High technology Communication |
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HID |
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Human Interface Device |
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HID/LOD |
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High-Density / Low-Density (tariff) |
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HIDS |
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Host-based Intrusion Dectection System |
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HI-FI |
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High-Fidelity |
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HILI |
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Higher - Level Interface |
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HIPAA |
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Health Insurance Portability and Accountability Act |
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HIPO |
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Hierarchy plus Input - Process - Output (charts) |
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HIPPI |
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High-Performance Parallel Interface |
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HIS |
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Host Integration Server |
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HIT |
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Hackers In Touch |
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HITECH |
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Health Information Technology for Economic and Clinical Health (Act) |
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HIWTH |
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Hate It When That Happens |
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HL7ECF |
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Health Level Seven Enterprise Communications Framework |
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HLA |
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High-Level Architecture (IEEE Standard 1516) |
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HLA |
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High-Level Assembly |
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HLL |
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High Level Language (API) |
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HLLAPI |
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High Level Language Application Programming Interface |
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HLPI |
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Higher Layer Protocol Identifier |
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HLR |
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Home Location Register |
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HLSL |
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High-Level Shading Language / High-Level Shader Language |
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HMA |
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High Memory Area |
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HMAC |
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Hash Message Authentication Code (FIPS 198-1) |
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HMAC |
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Hashing for Message Authentication Calculator |
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HMD |
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Head Mounted Display |
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HMI |
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Horizontal Motion Index |
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HMI |
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Hub Management Interface |
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HMI |
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Human - Machine Interface |
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HML |
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Human - Machine Language |
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HMP |
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Heterogeneous MultiProcessing (architecture) |
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HMP |
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Host Monitoring Protocol |
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HMUX |
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Hybrid Multiplexer |
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HN |
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Host to Network |
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HN |
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Hungarian Notation |
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HNDS |
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Hybrid Network Design System |
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HNPA |
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Home Numbering Plan Area |
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HNS |
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Hospitality Network Service |
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HOB |
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Hierarchical Operational Binding |
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HOBIC |
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Hotel Billing Information Center |
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HOBIS |
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Hotel Billing Information System |
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HOL |
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Head Of Line |
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HOL |
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Higher Order Logic |
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HOPE |
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Hackers On Planet Earth (conference) |
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HOTS |
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Higher Order Thinking Skills |
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HP |
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Hewlett Packard |
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HPA |
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High-Performance Addressing |
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HPA |
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Host Protected Area |
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HPAD |
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Host Packet Assembler / Disassembler |
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HPC |
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Handheld Personal Computer |
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HPC |
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High Performance Computing |
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HPCA |
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High Performance Computing Act |
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HPCC |
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High Performance Computing and Communications program |
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HPCCIT |
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High Performance Computing, Communication, and Information Technology |
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HPD |
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Hot Plug Detect |
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HPET |
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High Precision Event Timer |
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HPFC |
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High Performance Functional Computing |
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HPFS |
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High Performance File System |
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HPGL |
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Hewlett Packard Graphics Language |
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HP-GL |
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Hewlett Packard Graphics Language |
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HPIB |
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Hewlett Packard Interface Bus |
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HPIUGA |
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Hewlett Packard International Users Group Association |
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HPM |
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High Power Microwave |
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HPNA |
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Home Phone Network Adapter |
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HPO |
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High Performance Option |
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HPO |
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High-volume Page Output |
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HPOFS |
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High Performance Optical File System |
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HPPPN |
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Hewlett Packard Private Packet Network |
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HPR |
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High Performance Routing |
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HPS |
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Hardware Product Services |
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HPS |
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High Performance Systems |
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HPSB |
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High Performance Serial Bus |
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HPSS |
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High Performance Switching System |
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HQ |
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Headquarters |
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HR |
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Hour (usually as Hr or hr) |
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HR |
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Human Resources |
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HR |
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Human Rights |
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HRA |
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Health Registration Authority |
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HRC |
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Hybrid Ring Control |
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HRH |
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Her Royal Highness |
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HRIS |
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Human Resource Information System |
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HRPF |
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Hexadecimal Reference Publication Format |
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HRTF |
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Head Related Transfer Function |
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HRU |
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Hackers 'R' Us |
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HS |
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HyperSpectral |
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HSC |
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Hierarchical Storage Controller |
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HSDC |
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High - Speed Data Card |
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HSDL |
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High-Speed Data Link |
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HSF |
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High Sierra Format |
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HSG |
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HATS String Generator |
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HSIM |
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High Speed Interface Module (W6) |
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HSLAN |
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High - Speed Local Area Network |
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HSM |
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Hierarchical Storage Management |
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HSPA |
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High-Speed Packet Access (sometimes as HSPA+) |
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HSPD |
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(U.S.) Homeland Security Presidential Directive |
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HSSDS |
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High - Speed Switched Digital Service |
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HSSI |
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High - Speed Serial Interface |
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HSSP |
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High Speed Switched Port |
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HST |
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High-Speed Transfer (protocol) |
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HSTS |
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HTTP Strict Transport Security (RFC 6797) |
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HSV |
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Hue, Saturation, and Value (color model) |
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HT |
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Horizontal Tabulation (ASCII) |
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HTA |
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HTML Application (also has the .hta file extension) |
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HTC |
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High-Tech Computer (Corporation) |
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HTC |
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Hit The Cell |
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HTCIA |
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High Tech Computer Investigators Association |
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HTH |
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Happy To Help |
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HTH |
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Hope This Helps / Hope That Helps |
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HTML |
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HyperText Markup Language |
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HTTP |
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HyperText Transport Protocol |
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HTTPD |
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HyperText Transfer Protocol Daemon |
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HTTPS |
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HyperText Transfer Protocol over SSL |
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HTX |
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HTML Extension |
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HU |
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High Usage |
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HUTG |
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High Usage Trunk Group |
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HVAC |
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Heating, Ventilation and Air Conditioning |
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HVD |
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High Voltage Differential (SCSI Standard based on EIAA 485) |
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HVM |
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High Volume Manufacturing |
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HVQFN |
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Heatsink Very-thin Quad Flat-pack No-leads |
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HW |
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HardWare |
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HWA |
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Host Wire Adapter |
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HWG |
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HTML Writers Guild |
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HXRI |
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HTTP Extensible Resource Identifier |
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HZ |
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Hertz (usually as Hz) |
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