2. H.100 CT Bus
3. H.225
4. H.245
5. H.261
6. H.263
7. H.264
8. H.320
9. H.323
10. hack
11. hacker
12. half duplex, half-duplex
13. Hammer
14. Hamming code
15. HAN (Home Area Network)
16. HAND (Have a nice day)
17. handheld computer
18. handheld device
19. handle (1)
20. handle (2)
21. handle (3)
22. handle (4)
23. handle (5)
24. handler
25. handoff
26. handover
27. handset
28. handshake
29. handshaking
30. hang
31. hard disk
32. hard error (1)
33. hard error (2)
34. hard-coded
35. hardware
36. hardware failure
37. hardware interrupt
38. hardwired
39. Harvest
40. hash (1)
41. hash (2)
42. hash (3)
43. hash function
44. hash mark
45. hash table
46. hash value
47. hashing
48. Hayes
49. HBA (Host Bus Adapter)
50. HCA (Host Channel Adapter)
51. HD (High Definition)
52. HD (High Density)
53. HD DVD (High Density Digital Versatile Disc)
54. HD Ready
55. HDCP (High Definition Copy Protection)
56. HDCP (High-bandwidth Digital Content Protection)
57. HDD (Hard Disk Drive)
58. HDL (Hardware Description Language)
59. HDLC (High-level Data Link Control)
60. HDMI (High-Definition Multimedia Interface)
61. HDML (Handheld Device Markup Language)
62. HDR (Hard Disk Recorder)
63. HDR (High Data Rate)
64. HDSL (High bit-rate Digital Subscriber Line)
65. HDTV (High Definition TV)
66. HE-AAC (High Efficency AAC)
67. headend
68. header (1)
69. header (2)
70. header (3)
71. headset
72. heap
73. HELO
74. help
75. help desk
76. helper
77. heterodyne
78. hex editor
79. hexadecimal
80. HF (High Frequencies)
81. HFC Hybrid Fiber/Coax
82. HFS (Hierarchical File System)
83. Hi-8
84. hibernation
85. hidden file
86. hierarchical database
87. hierarchy
88. HiFi (High Fidelity)
89. High Interactive Multimedia
90. High Multimedia
91. high-level language
92. highlighting
93. HIPERLAN (High Performance Radio Local Area Network)
94. HIPERMAN (High Performance Radio Metropolitan Area Network)
95. hit
96. hive
97. HLR (Home Location Register)
98. HMA (High Memory Area)
99. HMD (Head Mounted Display)
100. holdback
101. holographic storage
102. home automation
103. home directory
104. home network (1)
105. home network (2)
106. home network (3)
107. home page, homepage
108. home server
109. HomePNA (Home Phoneline Networking Alliance)
110. HomeRF (Home Radio Frequency)
111. Hondo
112. hook (1)
113. hop (1)
114. hop (2)
115. horn antenna
116. host (1)
117. host (2)
118. host (3)
119. host adapter
120. host name
121. hosting
122. hot fix (1)
123. hot fix (2)
124. Hot Java
125. hot key, hotkey
126. hot plugging
127. hot spot (1)
128. hot spot (2)
129. hot spot (3)
130. hot spot (4)
131. hot spot (5)
132. hot swapping
133. HotBot
134. hotfix
135. HotJava
136. HotSpot
137. hover
138. HP 9000
139. HP bc1000 blade PC
140. HP/UX
141. HPFS (High Performance File System)
142. HPGL (Hewlett Packard Graphics Language)
143. HPIB
144. HPNA
145. HPR (High-Performance Routing)
146. HPSB (High Performance Serial Bus)
147. HR (HalfRate)
148. HREF (Hypertext REFerence)
149. HSB (Hue, Saturation, Brightness)
150. HSCSD (High-Speed Circuit-Switched Data)
151. HSDPA (High Speed Downlink Packet Access)
152. HSF (Heat Sink Fan)
153. HSPA (High Speed Packet Access)
154. HSRP (Hot Standby Routing Protocol)
155. HSUPA (High-Speed Uplink Packet Access)
156. HSV (Hue, Saturation, Value)
157. HTCPCP/1.0 (Hyper Text Coffee Pot Control Protocol)
158. HTH (Hope this helps)
159. HTML (HyperText Markup Language)
160. HTML document
161. HTML editor
162. HTML e-mail
163. HTML page
164. HTML server
165. HTML validation
166. HTTP (HyperText Transfer Protocol)
167. HTTP header
168. HTTP proxy
169. HTTPd (Hypertext Transfer Protocol daemon)
170. HTTPS (HyperText Transport Protocol (Hypertext Transfer Protocol over SSL)
171. hub
172. hub polling
173. hub-and-spoke architecture
174. Huffman coding
175. Hurd
176. HyperCard
177. hyperlink
178. hyperstitial
179. HyperTalk
180. hypertext
181. hypertext document
182. hypertext link
183. hyper-threading