Rockwell Automation 2755 Cordless Hand-Held Scanner - Manual (Page 98)

Glossary
Publication 2755-6.3
A
ASCII
American Standard Code for Information Interchange. A
7-bit-plus-parity code representing 128 letters, numerals,
punctuation marks, and control characters. ASCII is a standard
data transmission code in the U.S.
B
Bit
Binary digit. One bit is the basic unit of binary information.
Generally, eight consecutive bits compose one byte of data. The
pattern of 0 and 1 values within the byte determines its meaning.
Byte
On an addressable boundary, eight adjacent binary digits (0 and 1)
combined in a pattern to represent a specific character or numeric
value. Bits are numbered from the right, 0 through 7, with bit 0 the
low-order bit. One byte in memory can be used to store one ASCII
character.
C
CDRH
Center for Devices and Radiological Health. This is a federal agency
responsible for regulating laser product safety. This agency specifies
various laser operation classes based on power output during
operation.