Dell Latitude D630 User's Guide - Page 210

bytes. key combination - A command requiring you to press multiple keys at the same time. kHz - kilohertz - A measurement of frequency that equals 1000 Hz. L LAN - local area network - A computer network covering a small area. A LAN usually is confined to a building or a few nearby buildings. A LAN can be connected to another LAN over any distance through telephone lines and radio waves to form a wide area network (WAN). LCD - liquid crystal display - The technology used by portable computer and flatpanel displays. LED - light-emitting diode - An electronic component that emits light to indicate the status of the computer. local bus - A data bus that provides a fast throughput for devices to the processor. LPT - line print terminal - The designation for a parallel connection to a printer or other parallel device. M Mb - megabit - A measurement of memory chip capacity that equals 1024 Kb. Mbps - megabits per second - One million bits per second. This measurement is typically used for transmission speeds for networks and modems. MB - megabyte - A measurement of data storage that equals 1,048,576 bytes. 1 MB equals 1024 KB. When used to refer to hard drive storage, the term is often rounded to 1,000,000 bytes. MB/sec - megabytes per second - One million bytes per second. This measurement is typically used for data transfer ratings. media bay - A bay that supports devices such as optical drives, a second battery, or a Dell TravelLite™ module. memory - A temporary data storage area inside your computer. Because the data in memory is not permanent, it is recommended that you frequently save your files while you are working on them, and always save your files before you shut down the computer. Your computer can contain several different forms of memory, such as RAM, ROM, and video memory. Frequently, the word memory is used as a synonym for RAM. 210 Glossary