H

H-T Superconductivity 高溫超導體

H.323 Videoconference

HA 高可用度(High Availability)

Hack Programming

Hacker 駭客

Half Duplex Communication

HAMR 熱輔助磁錄

Hand-Held Computer

HandHeld Computer

Handshaking Communications Method

Hard Disk Hardware

Hardware Hardwares

HDTV High-Definition Television

Helical-Scan Tape

help desk 技術支援中心

HiFD High Floppy Disk

High-Level Language

HIPPI High Performance Parallel Interface

HMA High Memory Area

HMI 人機介面（Human Machine Interface）

holographic storage 全像儲存

Home Page WWW

Homepage WWW

HomePNA

HOP Network

Host ID TCP/IP

Hot Spot 熱點

HotJava Programming

HP Hewlette-Packard

HPC Hand-Held PC

HSM Hierarchical Storage Managment

HT 超執行緒

HTTP HyperText Transfer Protocol

Hyper-stacking 超級堆疊技術

Hyper-Threading 超執行緒

HyperCard Software

Hypermedia Multimedia

HyperTransport 超傳輸連結技術