80-column card: An interface card that made it possible for earlier models of the Apple II to display text in 80-column form instead of the standard 40-column form.

80-column display: The number of characters per line that are displayed on the screen. The options are 40 and 80 columns.

eject: To remove a disk from a disk drive.

electronic mall: Abbreviated E-mail. A message sent from one computer with a modem to another computer with a modem over phone lines.

E-mail: See electronic mail.

Enter: A key on the numeric keypad that usually has the same function as Return; that is, it confirms a choice or tells a program you're ready to proceed.

error message: The computer's way of alerting you to a failure in the communication process; often accompanied by a beep.

Esc: A key you can press (in some applications) to get back to the menu or to cancel a procedure that's in progress

even parity: An error-checking system in which the sending device adds an extra bit set to O or 1 as necessary to make all the 1 bits add up to an even number. The receiving device adds the 1 bits and if the total is an even number, it assumes the message came through intact.

extended 80-column card: An interface card used in other models of the Apple II that adds 64K of memory and makes it possible for the computer to display information in 80-column format instead of the standard 40-column format.

field: A word you'll run across in data base applications and ads for data base applications. It refers to a category of information. If your data base is an address book, name and address will be two of the fields.

file: A collection of information that you store on a disk. Also called a document.

file management: A general term for copying files, deleting files, and for other housekeeping chores involving the contents of disks.

File menu: A menu in mouse-based applications that lists commands that affect whole documents—commands like Save, Print, and Quit.

filename: The name you give your file (document) before you save it on a disk.

firmware: Another name for the programs in ROM (read-only memory). It's more permanent than the software in RAM (random-access memory)—thus the name.

5.25-inch disk: A disk 5.25 inches in diameter that you can use with the Apple IIGS. For many years, the only type of disk you could use with Apple II computers. It can store 143K of information (about 70 pages of text). Compare 3.5-inch disk

folder: An icon that represents a subdirectory. A way to group related documents together on a disk.

font: Size and style of characters (bold, italic, and so on).

footer: Text that appears at the bottom of every page or every other page in a document. Compare header.

Glossary

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