2. L1 (level 1) cache
3. L2 (level 2) cache
4. L2TP (Layer 2 Tunneling Protocol)
5. L3 (level 3) cache
6. L8R (Later)
7. LabelFlash
8. Lambert’s Law
9. LAMP
10. LAN (Local Area Network)
11. LAN adapter
12. LAN port
13. LAN switch
14. language-based editor
15. language-sensitive editor
16. LAP (Link Access Procedure)
17. LAPM (Link Access Procedure for Modems)
18. laptop computer
19. laser disk
20. laser printer (1)
21. laser printer (2)
22. last mile
23. LAT (Local Area Transport)
24. latency (1)
25. latency (2)
26. latency (3)
27. LAWN (Local Area Wireless Network)
28. layer
29. layout (1)
30. layout (2)
31. layout (3)
32. layout engine
33. lazy mode
34. LBA (Logic Block Addressing)
35. LCD (Liquid Crystal Display)
36. LCD projector
37. LCoS (Liquid Crystal on Silicon)
38. LD (LaserDisc)
39. LD (Later, dude)
40. LDAP (Lightweight Directory Access Protocol)
41. LDPC (Low Density Parity Check Code)
42. LDR (Long-distance relationship)
43. leased line
44. LEC (Local Exchange Carrier)
45. Leclanché cell
46. LED (Light Emitting Diode)
47. legacy application
48. legacy data
49. legacy system
50. LF (Low Frequencies)
51. Libranet
52. library (1)
53. library (2)
54. library (3)
55. library routine
56. light intensity
57. light pen
58. lightness
59. LightScribe
60. Li-ion (Lithium ion) battery
61. LILO
62. LindowsOS
63. line
64. line card
65. line driver
66. line printer
67. line rate
68. line speed
69. line switching
70. line width, linewidth (1)
71. line width, linewidth (2)
72. linear prediction
73. link (1)
74. link (2)
75. link (3)
76. link (4)
77. link (5)
78. link (6)
79. link (7)
80. link state routing protocol
81. link-by-link encipherment
82. linker
83. linkware
84. Linspire
85. Linux
86. Liquid Player
87. LISP (LISt Processor)
88. list (1)
89. list (2)
90. list box
91. Listserv
92. Lites
93. lithium polymer battery
94. little endian
95. livestream
96. live-stream
97. LLC (Logical Link Control)
98. LLTA (Lots and lots of thunderous applause)
99. LMDS (Local Multipoint Distribution Service)
100. LMK Let Me Know
101. L-Mode
102. LMTP (Local Mail Transfer Protocol)
103. LNB (Low-Noise Block downconverter)
104. load (1)
105. load (2)
106. load (3)
107. load (4)
108. load balancing
109. load module
110. loader
111. loading
112. LOB (Large OBject)
113. LOB (LIne-Of-Business) application
114. local
115. local bus
116. local loop
117. local variable
118. locale
119. Localhost
120. localhost
121. localization (L10N)
122. LocalTalk
123. location
124. location bar
125. lock
126. lockup
127. LOCT (Layered Open Crypto Toolkit)
128. log (1)
129. log (2)
130. log (3)
131. logic bomb
132. logic gate
133. logical clock
134. logical processor
135. logical shift
136. logical volume
137. login (log-in, logon)
138. LOL (Laughing out loud)
139. long (long integer)
140. long filenames
141. longhaul
142. Longhorn
143. LonWorks
144. loop (1)
145. loop (2)
146. LOS (Line Of Sight)
147. LOS propagation
148. lossless compression
149. lossy compression
150. Lotus
151. Lotus Notes
152. LotusScript
153. LoveLetter, LoveBug
154. low radiation
155. low-level access
156. low-level language
157. LPAR (Logical PARtition)
158. LPC (Linear Predictive Coding)
159. LPCM (Linear PCM)
160. LPD (Line Printer Daemon)
161. LPDA (Log Periodic Dipole Array)
162. LPT (Line Printing Terminal)
163. LPX motherboard
164. LRF (Little Rubber Feet)
165. LSB (Least Significant Bit)
166. LTE (Long Term Evolution)
167. LTM (Laugh to myself)
168. LTNS (Long time no see)
169. LTPS TFT LCD (Low-Temperature Poly-Silicon Thin-Film Transistor Liquid Crystal Display)
170. LTR (Long-term relationship)
171. LUHN formula
172. LULAB (Love you like a brother)
173. LULAS (Love you like a sister)
174. luma
175. lumen
176. luminance (1)
177. luminance (2)
178. luminosity function
179. luminous emittance
180. luminous flux
181. luminous intensity
182. lurk
183. LVDS (Low Voltage Differential Signaling)
184. LWP (Library for World Wide Web in Perl)
185. LWP (Light-Weight Process)
186. Lycos
187. Lynx (1)
188. Lynx (2)
189. LZH ( Lempel-Ziv-Haruyasu)
190. LZW (Lempel-Ziv Welch) algorithm