• LAA Locally Administered Address
• LAN Local Area Network
• LAP Link Access Protocol / Link Access Procedure
• LAPB Link Access Procedure Balanced
• LAPD Link Access Procedure D Channel
• LAT Local Area Transport
• LATA Local Access and Transport Area
• LAVC Local Area VAX Cluster
• LCC Leaded Chip Carriers / LAN Control Center
• LCD Liquid Crystal Display
• LDT Local Descriptor Table
• LEC Local Exchange Carrier
• LED Light Emitting Diode
• LF Largest Frame
• LFN Long File Name
• LFO Low Frequency Oscillator
• LIF Low Insertion Force
• LIFO Last In First Out
• LIM Lotus Intel Microsoft
• LIM/EMS Lotus Intel Microsoft/Expanded Memory Specification
• LISP LISt Processing language
• LLAP LocalTalk Link Access Protocol
• LLC Logical Link Control
• LMMP LAN/MAN Management Protocol
• LMMS LAN/MAN Management Service
• LN:DI Lotus Notes: Document Imaging
• LOL Laughing Out Loud
• LP Line Printer
• LPM Lines Per Minute
• LR List Recursive
• LRU Least Recently Used
• LSB Least Significant Bit / Least Significant Byte
• LSI Large Scale Integration
• LSL Link Support Layer
• LU Logical Unit
• LZW Lempel-Ziv-Welch