"A",
"B",
"C",
"D",
"E",
"F",
"G",
"H",
"I",
"J",
"K",
"L",
"M",
"N",
"O",
"P",
"Q",
"R",
"S",
"T",
"U",
"V",
"W",
"X",
"Y",
"Z"
Previous set of "G" Abbreviations and Acronyms
| h | - | hecto (102) |
| h | - | hour |
| h | - | Planck’s constant |
| H | - | High speed [logic series] |
| HAL | - | Hardwired Array Logic |
| HALT | - | Highly Accelerated Stress Test |
| HASL | - | Hot Air Solder Level |
| HASS | - | Highly Accelerated Stress Screening |
| HBA | - | Host Bus Adapter |
| HB-LED | - | High Brightness LED |
| HBT | - | heterojunction bipolar transistor |
| HC | - | High speed CMOS [logic series] |
| HCT | - | High speed CMOS/TTL [logic series] |
| HCS | - | hard clad silica [fiber] |
| HCP | - | Digital Content Protection |
| HD | - | High Definition |
| HD | - | High Density |
| HDC | - | Hard Disk Controller |
| HDCP | - | High Bandwidth Digital Content Protection |
| HDD | - | Hard Disk Drive [HDD Manufacturers] |
| HD DVD | - | High-Definition Digital Versatile Disc |
| HDI | - | High Density Interconnect [style of connector] |
| HDLC | - | high-level data link control |
| HDMI | - | High-Definition Multimedia Interface |
| HD-PQFP | - | High-Density Plastic Quad Flatpack |
| HD-SDI | - | High Definition - Serial Digital Interface |
| HDTV | - | high-definition television |
| HDVICP | - | High-Definition Video Image Co-Processor |
| HDX | - | half-duplex [operation] |
Next set of "H" Abbreviations and Acronyms
