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The DrawingBoard V
Glossary
Glossary
Accuracy
The similarity of a distance measured by the tablet with the actual dis-
tance. When we specify that the accuracy of a tablet is ± .010 inches, we
mean that every point in the Active Area is within .010 inches of where it
should be.
ASCII
Abbreviation for
American Standard Code for Information Interchange
.
Baud rate
The rate of speed that data flows between a host computer and the
digitizer. It is the number of bits transmitted per second. The lower the
baud rate, the slower the speed.
Bit
The basic unit of information in the binary system—either 0 or 1.
Button
A switch on the cursor or pen used to input data.
Byte
A group of eight bits that acts as a single unit of information.
Coordinate pair
A pair of numbers representing a unique point on the digitizer surface,
usually the distance across and up from the tablet origin.
CR
The ASCII Carriage Return character usually added to the end of the X,Y
coordinate pairs sent by the tablet (ASCII formats).
Cursor
1) A transducer used to select specific points on the tablet surface. 2) A
symbol displayed on the screen marking where the next action will take
effect, or where the next character typed from the keyboard will appear.
Data bits
Each transmission contains 7 or 8 data bits.
Data rate
The number of coordinate pairs (X,Y) the tablet sends to the computer
per second.
Default
A value, action, or setting that a computer system assumes, unless the
user gives an explicit instruction to the contrary.
Drawing area
The area on the tablet surface intended for digitizing. Referred to as the
Active Area.
