Dell GX240 User's Guide - Page 285

Kb Kilobit(s). A measurement of data that equals 1024 bits. A measurement of the capacity of memory integrated circuits. See also KB. KB Kilobyte(s). A measurement of data that equals 1,024 bytes. 1024 KB equals 1 MB. kg Kilogram(s). A measurement of mass that equals 1,000 grams. kHz Kilohertz. A measurement of frequency that equals 1,000 Hz. L1 Cache Level 1 cache. A small, very fast primary cache that is stored inside the microprocessor. It is faster than the L2 cache. L2 Cache Level 2. A larger, slower secondary cache used with the L1 cache. In older microprocessors, the L2 cache was usually external to the processor, contained on chip(s) or an expansion card. On more recent processors the L2 cache is typically integrated into the processor. lb Pound(s). A measurement of weight that equals 16 oz or 0.453592 kg. LBA Logical block addressing. A defining feature of EIDE that allows a computer to address a hard drive larger than 528 MB, up to 8.4 GB in data storage capacity. A logical block address is a 28-bit value that maps to a specific cylinder-head-sector address on the drive. LED Light-emitting diode. An electronic component that lights up when a current is passed through it. LIF Low insertion force. A type of socket or connector that allows a computer chip to be installed or removed with minimal stress applied to either the chip or its socket. See ZIF. 33