Any group of data treated as a single entity by the computer, such as a word processor document, a program, or a database.
firewall
Computer hardware or software with special security features to safeguard a computer connected to a network or to the Internet.
FireWire
A high-speed bus used to connect digital devices, such as digital cameras and video cameras, to a computer system. Also known as iLink and IEEE-1394.
folder
A way to group files on a disk; each folder can contain multiple files or other folders (called subfolders).
freeware
Free software available over the Internet. This is in contrast with shareware, which is available freely but usually asks the user to send payment for using the software.