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PCBA
Abbrev. for Printed Circuit Board Assembly. A PCBA is a
PCB that has all of the electrical and mechanical
components (resistors, capacitors, ICs, sockets, etc.)
mounted on it.
PI
Abbrev. for Paper Instruction: A signal from the host with
the same timing and polarity as the data lines.
pica
A name indicating a monospaced font with a pitch of 10
cpi and usually a 12 point height. Pica is used in
typography as a unit of measurement equal to 1/6 inch.
pin configuration
Establishes the physical attachment and protocol
conversion connections for the host interface.
pitch
The number of text characters printed per horizontal inch.
Specified in characters per inch (cpi).
Derived from picture (PIX) ELement. The smallest
pixel
displayable picture element on a video monitor or
printable unit. In printing, a pixel is a dot.
point
A unit of length in printing and typography, used to
specify type sizes, heights of font characters, etc. There
are 72 points in a vertical inch; thus, one point equals 1/
72 inch, or approximately 0.0138 inch. Some examples
of point sizes are:
in 10 point type.
port
A channel used for receiving data from or transmitting
data to one or more external devices.
portrait
Printed parallel to the short edge of a page.
Postnet
A bar code standard defined by the U. S. Postal Service.
print mode
Synonymous with print attributes. Includes character
attributes such as italic, underlining, super/subscript, as
well as Draft, NLQ, and DP.
proportion, character See character proportion.
proportional
See font, proportional.
protocol
In general, a set of rules governing the exchange of
information between computer systems. For printers, a
protocol is the coding system used to convey and print
characters and graphics. A printer protocol includes
character codes, printer function codes, and machine-to-
machine communication codes. In this manual, protocol
and emulation mean the same thing.
See also compatibility and emulation.
This manual is printed
This is 8 point type.
This is 14 point type.
107
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