| H-MUX |
Hybrid MUltipleXer (org/ansi/fddi) |
| H/B/I |
Host, Border router, Interior router (people/vdmeer-sven/lcn) |
| H2020 |
Horizon 2020 (org/eu) |
| HA |
Hearing Aid Compatibility (org/atis) |
| HAN |
Home Area Network (ict/net) |
| HAND |
Have A Nice Day (jargon) |
| HAP |
Host Access Protocol (org/ietf) |
| HBA |
Host Bus Adapter (ict/comp/hdd/scsi) |
| HbbTV |
Hybrid Broadcast Broadband TV (org) |
| HCI |
Host Controller Interface (ict/os/linux) |
| HD |
High Definition (ict/graphic) |
| HDCP |
High-bandwidth Digital Copy Protection (ict/security) |
| HDD |
Hard Disk Drive (ict/comp) |
| HDMI |
High Definition Multimedia Interface (ict/comp) |
| HEA |
Higher Education Authority (org) |
| HEC |
Header Error Control (org/itu/atm) |
| HEMS |
High-level Entity Management System (org/ietf/snmp) |
| HetNets |
Heterogeneous Networks (ict/net) |
| HF |
Have Fun (jargon) |
| HGI |
Home Gateway Initiative (org) |
| HI1 |
Handover Interface 1 (org/etsi) |
| HI2 |
Handover Interface 2 (org/etsi) |
| HI3 |
Handover Interface 3 (org/etsi) |
| HISAM |
Hierarchical Indexed Sequential Access Method (ict/comp/hdd) |
| HMAC |
keyed-Hashing for Message AuthentiCation (org/ietf) |
| HMP |
Host Monitoring Protocol (org/ietf/snmp) |
| HNET |
Home Networking Forum (org/atis) |
| HP |
Hewlett Packard (com/us) |
| HPR |
High Performance Routing (ict/net) |
| HRC |
Hybrid Ring Control (org/ansi/fddi) |
| HS |
High Speed (ict/device/modem) |
| HSSG |
Higher Speed Study Group (org/ieee) |
| HSSN |
HighSpeed Switching Network (org/itu/atm) |
| HST |
High Soft Tech (org/itu/isdn) |
| HT |
Hyper-Threading (ict/comp/cpu) |
| HT |
Horizontal Tab (org/ansi/ascii) |
| HTC |
Hardware Thermal Controller (ict/comp/cpu) |
| HTH |
Hope This Helps (jargon) |
| HTML |
HyperText Markup Language (org/ietf/www) |
| HTML |
Hyper Text Markup Language (org/w3c) |
| HTML5 |
Hyper Text Markup Language 5 (org/w3c) |
| HTTP |
Hyper Text Transfer Protocol (org/ietf/www) |
| HUB |
Humboldt-Universität zu Berlin (edu/de) |
| HVD |
High Voltage Differential (ict/comp/hdd/scsi) |
| HW |
Hardware (ict) |
| HYCH |
Hope You Can Help (jargon) |