Toshiba Satellite C55-C5334 Satellite/Satellite Pro C40/C50/C70-C Series Windo - Page 158
E, F, The three characters following the period
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158 Glossary E emulation-A technique in which a device or program imitates another device or program. enable-To turn on a computer option. See also disable. eSATA-An external device that supports hot swapping and fast data transfer. Very useful in storing and transferring large files. executable file-A computer program that is ready to run. Application programs and batch files are examples of executable files. Names of executable files usually end with a .bat or .exe extension. expansion device-A device that connects to a computer to expand its capabilities. Other names for an expansion device are port expander, port replicator, docking station, or network adapter. extension-See file extension. external device-See device. F file-A collection of related information, saved on disk with a unique name. A file may be a program, information used by a program, or a document. See also document. File Allocation Table (FAT)-The section of a storage drive that keeps track of the location of stored files. file name-A set of characters that uniquely identifies a file within a particular folder. It consists of two parts: the actual name and the file name extension. See also file extension. file extension-The three characters following the period (pronounced "dot") at the end of a file name. The extension indicates the type of file. Examples are .exe for program files and .hlp for help files. See also file name. folder-Also called directory. A container for organizing files saved to a disk. A folder is symbolized on screen by a graphical image (icon) of a file folder. A folder can contain files and other folders. format-(verb) To prepare a blank disk for use with the computer's operating system. Formatting creates a structure on the disk so the operating system can write information to the disk or read information from it.