Xerox PARC (Xerox Palo Alto Research Center)

The Xerox research center where a number of

significant inventions were made in the 1970s.The first graphical user interface (GUI) was invented there, as was Ethernet, laser printing, and object-oriented programming (OOP). Xerox PARC is now PARC

(Palo Alto Research Center, Inc.), an independent research and development company.

• loop
• loopback address
• loopback address
• loopback test
• loop current
• loop start
• loose-tube cable
• LOS (Line-of-Sight)
• loss
• loss budget
• lossless compression
• lossy compression
• low delay code excited linear prediction (LD-CELP)
• low earth orbit (LEO)
• low frequency (LF)
• Low Income Consumers Program
• low-order mode
• low-pass filter
• Low-Power Radio Service (LPRS)
• Low-Power Radio Service (LPRS)
• low-tier
• low-tier
• low voltage (LV)
• low-water-peak fiber (LWPF)
• LPC (Linear Predictive Coding)