lly limited (typically to a one kilometre radius) allowing easy interconnection of terminals, microprocessors and computers within adjacent buildings. [Computer and Information Sciences] 
logical format 
n., The organized arrangement of data on a digital medium that ensures file and data control structures are recognizable and recoverable by the host computer operating system. Two common logical formats for files and directories are ISO 9660/13490 for CDs, and Universal Disk Format (UDF) for DVDs. [Computer