Dell Inspiron 546ST Dell™ Technology Guide - Page 340
A special high-speed storage mechanism which can be either a reserved
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bit - The smallest unit of data interpreted by your computer. Bluetooth® wireless technology - A wireless technology standard for short-range (9 m [29 feet]) networking devices that allows for enabled devices to automatically recognize each other. boot sequence - Specifies the order of the devices from which the computer attempts to boot. bootable CD - A CD that you can use to start your computer. In case your hard drive is damaged or your computer has a virus, ensure that you always have a bootable CD available. Your Drivers and Utilities (or ResourceCD) is a bootable CD. bootable disk - A disk that you can use to start your computer. In case your hard drive is damaged or your computer has a virus, ensure that you always have a bootable CD available. bps - bits per second - The standard unit for measuring data transmission speed. BTU - British thermal unit - A measurement of heat output. bus - A communication pathway between the components in your computer. bus speed - The speed, given in MHz, that indicates how fast a bus can transfer information. byte - The basic data unit used by your computer. A byte is usually equal to 8 bits. C C - Celsius - A temperature measurement scale where 0° is the freezing point and 100° is the boiling point of water. cache - A special high-speed storage mechanism which can be either a reserved section of main memory or an independent high-speed storage device. The cache enhances the efficiency of many processor operations. L1 cache - Primary cache stored inside the processor. L2 cache - Secondary cache which can either be external to the processor or incorporated into the processor architecture. carnet - An international customs document that facilitates temporary imports into foreign countries. Also known as a merchandise passport. CD-R - CD recordable - A recordable version of a CD. Data can be recorded only once onto a CD-R. Once recorded, the data cannot be erased or written over. CD-RW - CD rewritable - A rewritable version of a CD. Data can be written to a CD-RW disc, and then erased and written over (rewritten). CD-RW drive - A drive that can read CDs and write to CD-RW (rewritable CDs) 340