CR - The standard symbol for a carriage return. CRT - see Screen. Cursor - An electronically generated symbol that appears on the screen to tell the operator where the next character will appear. Database Management - A system that stores, retrieves, organizes, searches, and presents a collection of data relating to a particular topic. Disk - A flat, circular, platelike device with a magnetic coating on which information can be encoded and permanently stored.
Disks can be flexible and movable floppy diskettes, or rigid and un-movable hard disks.
DOS - Disk operating system. Any operating system that emphasizes the use of disks to store files. DVD - Digital Video Disk, holds a minimum of 4.7 gigabytes of data which is about 5,000 floppy disks. Electronic Mail - Messages or mail that are sent and received electronically, i.e. no hardcopy exists. Expanded Memory - Memory in addition to conventional memory, which is available through an expansion board for applications.