h
- H&K
- h/o
- h/p
- H4U
- H4XX0R
- H9
- hack
- Hack-o-grams
- hacker
- hacker ethic
- hacker jargon
- hacktivist
- HADVD
- hag1
- HAGD
- Hagel, John
- HAGN
- HAGO
- Haiku poetry error messages
- hairball
- HAK
- HAL
- halo effect
- ham
- HAND
- hand salsa
- hand-holding
- handheld
- handheld device
- handle
- hands-off
- hands-on
- handshake
- handwriting recognition
- handy
- hang
- hang-time
- HAR
- hard copy
- hard disk
- hard drive
- hardlink
- hardware
- hardwired
- Harter, Phillip
- harvest or harvesting
- hashtag
- hat color
- Hawkins, Jeff
- HAWTLW
- Hayes compatible
- HB
- HBASTD
- HBB
- HBIB
- HBIC
- HBU
- HCC
- HD
- HDML
- HDSL
- HDTV
- head end
- header
- headmount
- heat-seeking work force
- heavy lifting
- height technology
- Heinlein, Robert
- helper application
- hemming and hawing
- Henry the Forger
- hertz (Hz)
- Hertz, Heinrich
- heuristics
- Hewlett, William
- Hewlett-Packard
- hexadecimal
- HF
- HFC
- HHIS
- HHO1/2K
- HHOJ
- HHOK
- HHOS
- HHTYAY
- hierarchy
- HIG
- high dome
- high-speed
- high-tech
- high-touch
- highbrow
- HIH
- hijacker
- hijackware
- Hilbers, Konrad
- hillbilly heroin
- HIOOC
- hire number
- history
- hit
- HITAKS
- hive
- HMFIC
- HNTI
- HNTW
- HNY
- HO
- HOHA
- HOIC
- Hollywired
- holy war
- home networking
- homepage
- HomePlug PA
- HomePNA
- HomeRF
- homeshoring
- homestead
- HoneyMonkey
- honeypot
- hook and book
- horizontal play
- hose and close
- host
- host name
- hosting
- hot issue
- hot plugging
- hot potato routing
- hot spot
- HotBot
- HotDog
- HotJava
- hotlink
- hotlist
- Hotmail
- hotspot
- hourglass mode
- house ad
- house file hygiene
- hover
- HOYEW
- HP
- HPPO
- HSDPA
- HSIK
- HT
- HTB
- HTH
- HTML
- HTML banner
- HTML e-mail
- HTML Reference Library
- HTNOTH
- htpasswd
- HTTP or http
- HTTPD or httpd
- HTTPS or https
- HU
- HUA
- hub
- HUD
- huge pipes
- HUGZ
- huh
- human capital
- human cloning
- human gateway
- hunt-and-peck
- HUYA
- HWGA
- hybrid
- hydraulics of the situation
- hype
- hyperlink
- hypermedia
- hyperpower
- hyperspeed
- hyperstitial
- hypertext