• Hacker
• Haptik
• Hardware
• Hardware-RAID
• Harte Links (Hardlink)
• HBBTV
• HDMI (High Definition Multimedia Interface)
• HDTV (High Definition TV)
• HDV (High Definition Video)
• Host
• Hosting
• Hot-Plugging
• Hotfixes
• HPFS (High Performance File System)
• HRTF (Head Related Transfer Function)
• HTML
• HTTP (HyperText Transfer Protocol)
• Hub
• Hyperlink
• Hyperthreading