Assessments - 3, GPA: 4.7
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Compare disk. disk—A round, flat piece of material that can be magnetically influenced to hold information in digital form, and used in the production of magnetic disks, such as hard disks. Compare disc. See also hard disk. Glossary Glossary disk drive—The device that reads and writes information and applications on external media or hard disk. It rotates the disk at high speed past one or more read/write heads. document—Any file created with an application and, if saved to disk, given a name by which it can be retrieved. See also file. double-click—To press and release the pointing device’s primary button rapidly twice without moving the pointing device. In the Windows® operating system, this refers to the pointing device’s left button, unless otherwise stated. download—(1) In communications, to receive a file from another computer through a modem or network. (2) To send font data from the computer to a printer. See also upload. drag—To hold down the mouse button while moving the pointer to drag a selected object. In the Windows® operating system, this refers to the left mouse button, unless otherwise stated. driver—See device driver. DVD—An individual digital versatile (or video) disc. See also DVD-ROM. DVD-ROM (Digital Versatile [or Video] Disc Read-Only Memory)—A very high-capacity storage medium that uses laser optics for reading data. Each DVD-ROM can hold as much data as several CD-ROMs. Compare CD-ROM. E emulation—A technique in which a device or application imitates another device or application. 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 application that is ready to run. Application applications 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. Glossary Glossary external device—See device. F file—A collection of related information, saved on disk with a unique name. A file may be an application, information used by an application, 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 application 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. frontside bus—The primary pathway (bus) between the CPU and the computer’s main memory. Also called “system bus.” See also bus. Function key—(1) A feature in which certain keys in combination with the Fn key can set system options or control system parameters. (2) A key or combination of keys that activates a memory resident application. function keys—The keys labeled F1 through F8, typically located on the keyboard. Their function is determined by the operating system and/or individual applications. G ground—A conductor to which all components of an electric circuit are connected. It has a potential of zero (0) volts, is connected to the earth, and is the point of reference for voltages in the circuit. Glossary Glossary H K hard disk—A storage device composed of a rigid platter or platters that can be magnetically coded with data. Hard disks hold much more information than some external media and are used for long-term storage of applications and data. The primary (or only) hard disk in a computer is usually fixed, but some computers have secondary hard disks that are removable. hardware—The physical components of a computer system. Compare software. HDMI (High-Definition Multimedia Interface)—An interface used to transmit high quality audio and video signal via a single cable in digital format, providing better picture quality than analog signal. HDMI-CEC (HDMI Consumer Electronics Control)—One A/V component can control another while using this function, if connected with HDMI cables. See also HDMI. Hibernation—A feature of many Toshiba computers that saves to the internal storage drive the current state of your work, including all open files and applications, ...
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