GLOSSARY OF TERMS
- An older style of printer that places typewriter
characters on to the paper utilizing a `daisy wheel' print
head. This was an oblate, spherical ball that rotated to the
appropriate letter before being pressed into contact with
a ribbon and thence to the page.
- Pronouced "day-tah", it is the information stored in a
computer in memory or on a disc, or on any storage device
from magnetic tape to flash drives.
- A collection of information that pertains to a
particular entity, topic, or group of people or objects
with something in common. A database can be illustrated
by a table in which each row contains all of the
information relating to a given entity and each column
containing one specific piece of information about that
entity. This is a spreadsheet style of database.
Another type is represented by a series of disconnected
fields of which each one contains a specific piece of
information. So for a personal database, there might be
fields for `Name', `Address', `City', `Province',
`Phone Number' and so on. The user can specify a sort
or search by using any given field as an input criteria.
- The current drive. The drive on which the user currently
is. This is also the physical drive looked at by the
operating system or its program if no drive has been
- An internal DOS command that displays a listing of
files to the screen.
- A section of a disk where a user places groups of
related files. Also referred to as a `folder'.
Disc or Disk:
- The medium on which data is stored. Can include optical
discs such as DVD and CD-ROMs, as well as zip, hard and
floppy discs. Floppy discs are also known as
- The device that allows a floppy disc to be read or
- Disc Operating System. A program that controls
how software works with hardware. Although MS-DOS is the
best known, other systems such as Apple also have used the
DOS continues to be used today in embedded systems and also
as a modern operating system. It has been updated for the
21st century in the guise of DR-DOS and FreeDOS, among
- An indicator at the start of the command line in the
DOS operating system that typically shows the current drive
and directory. ( i.e. C:\DOS )
- A printing device that forms letters and numbers by
rows and columns of pins. The number of pins on the print
head determine how many dots are used to form each
character. Mostly taken over today by ink jet, laser, and
heat printers, but still may be seen in point-of-sale
locations especially when multiple copies are
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