- Growth Trend
- guard bit
- guard circuit
- guard signal
- guarded area
- guidance tape
- guide rail
- gusset
- gyroscope pendulum
- halftone
- halt condition
- halving circuit
- Hamiltonian code
- Hamiltonian group
- hand
- handheld device
- handle name
- hard address
- hard card
- hard failure
- hard sectoring
- hardware
- hardware compatibility
- hardware interrupt
- hardware maintenance
- hardware monitor
- hardware reliability
- hardware security
- hardware stack
- harmonic average
- harmonic completion
- harmonic complex
- harmonic distortion
- harmonic division
- harmonic progression
- hash table
- haft adder
- half edges
- half tap
- half-sinusoid
- half-word
- halt
- halve
- Hamiltonian function
- handler
- handwriting recognition
- handwritten character
- handwritten letter
- hang
- hang-up
- hanging stairs
- hard copy
- hard hyphen
- hard patch
- hard wiring
- hard-wired
- hardware based
- hardware cell
- hardware language
- hardware logic
- hardware platform
- hardware resources
- harmonic center
- harmonic component
- harmonic cubic
- harmonic differential
- harmonic dimension
- harmonic echo
- harmonic element
- harmonic generator
- harmonic mean
- harmonic oscillation
- harmonic ratio
- harmonic separation
- harmonic wave
- hash
- hash function
- hash total
- hash value
- hashing
- hashmark
- hatching
- hazard
- head
- head core
- head end
- head gap
- header
- header file
- header record
- heat sink
- head block
- head crash
- head demagnetizer
- head switching
- header card
- header label
- header statement
- heading
- heap