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Glossary
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Glossary
A
APA. All points addressable.
B
bidirectional. Printing in either direction,
right-to-left or left-to-right.
buffer storage. A temporary storage area
for holding input or output data.
byte. The representation of a character.
Usually, 8 bits grouped together as a unit
make up a byte.
C
characters-per-inch (cpi). The number of
characters printed within 1 inch
horizontally across a page.
characters-per-line (cpl). The maximum
number of characters that can be printed
on a line at a specified pitch.
characters-per-second (cps). The number of
characters printed in 1 second.
check character. A character within a
barcode that, when scanned, validates the
barcode was read correctly.
code page. A set of 256 graphic designs
(characters) associated with unique code
values from 0 through 255, x00 to xFF.
control code. Tells the printer to perform a
function, such as changing line space.
cpi. See characters-per-inch.
cpl. See characters-per-line.
cps. See characters-per-second.
D
default. A value, parameter, or attribute
the printer uses when none is specified.
DP. Draft Print. A style of print used for
draft material. Compare with Letter
Quality print mode.
dpi. Dots per inch.
E
ELQ. Enhanced letter quality.
Escape sequence. Two or more characters
of information that let you change the way
the printer is currently printing.
F
flag character. Used by UPC-A and
EAN-13 for number system encoding and
country code.
font. A set of characters of a given size and
style.
H
Hertz (HZ). A unit of frequency equal to 1
cycle per second.
human readable characters. Numbers or
letters printed below a barcode.
I
impact printer. A printer that uses
mechanical impacts to generate character
images.