Toshiba LX835-D3310 User Guide - Page 137
LAN Local Area Network, LCD Liquid Crystal Display
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137 Glossary L L1 (level one) cache-Memory cache built into the processor to help improve processing speed. See also cache, CPU cache, L2 cache. L2 (level two) cache-Memory cache installed on the motherboard to help improve processing speed. It is slower than L1 cache and faster than main memory. See also cache, CPU cache, L1 cache. LAN (Local Area Network)-A group of computers or other devices dispersed over a relatively limited area and connected by a communications link that enables any device to interact with any other on the network. LED (Light Emitting Diode)-A solid state lamp (SSL) that uses light-emitting diodes (LEDs) as the source of light, which offers long life and high efficiency output. Multiple diodes are used together, since the light created by individual light-emitting diodes is small compared to incandescent and compact fluorescent lamps. LCD (Liquid Crystal Display)-A type of display that uses a liquid substance between two transparent electrode panels. When an electric current passes through the electrodes, the molecules in the liquid form a crystalline pattern that polarizes the light passing through it. A filter over the electrodes permits only non-polarized light to pass to the surface of the display, creating light and dark pixels. load-To move information from a storage device (such as a hard disk) into memory for processing. local area network-See LAN. logical drive-A section of a disk that is recognized by the operating system as a separate disk drive. A system's logical drives may differ from its physical drives. For example, a single hard disk drive may be partitioned into two or more logical drives. M memory-Typically refers to the computer's main memory, where applications are run and data is temporarily stored and processed. Memory can be volatile and hold data temporarily, such as RAM, or it can be nonvolatile and hold data permanently, such as ROM. A computer's main memory is RAM. See also RAM, ROM. microprocessor-See Central Processing Unit (CPU).