| A | B |
| Gigabyte | One billion bytes. |
| Graphic User Interface (GUI) | An interface that has pictures as well as words on the screen. |
| Justify | To vertically align type and adjust sentence length so the text appears flush left and flush right within the same column. |
| Kilobyte | One thousand bytes or 1024 bytes. A unit of measurement used for computer file sizes. |
| Listserv | An automated email discussion list. |
| Local Area Network (LAN) | A network that connects computers that are close to each other, linked by a cable. |
| Macintosh | A family of 32-bit personal computers introduced by Apple in 1984. |
| Magnetic Storage Media | A disk on which digital data is stored magnetically by altering particles within a magnetic film on the disk. |
| Mainframe | A term originally meaning the cabinet containing the central processor unit of a very large computer. It now refers to the large computer itself. |
| Margins | The white area outside a page of text. |
| Megabyte | Used to measure computer memory--1 million bytes. |
| Meta-search Engine | A front end that passes each query to allow a user to search multiple search engines. |
| Microprocessor | A computer with its entire CPU contained on one integrated circuit. |
| Microsoft Windows | User interface software with windows released by Microsoft in 1985 to run with MS-DOS. |
| Minicomputer | A computer built between about 1963 and 1987, smaller and less powerful than a mainframe. |
| Newsgroups | A discussion group on the Internet, which is focused on a particular topic. |