Symbol-technologies MC9000-K User Manual download pdf (Page 506)

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MC9000-K/S for Embedded Windows® CE .NET Product Reference Guide

GL-4

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.

bps See Bits Per Second.

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 is used to store one ASCII character.

BOOTP A protocol for remote booting of diskless devices. Assigns

an IP address to a machine and may specify a boot file. The

client sends a bootp request as a broadcast to the bootp

server port (67) and the bootp server responds using the

bootp client port (68). The bootp server must have a table of

all devices, associated MAC addresses and IP addresses.

boot or boot-up The process a computer goes through when it starts. During

boot-up, the computer can run self-diagnostic tests and

configure hardware and software.

CDMA Code Division Multiple Access is a cellular technology

originally know as IS-95.

CDRH Center for Devices and Radiological Health. A federal

agency responsible for regulating laser product safety. This

agency specifies various laser operation classes based on

power output during operation.

CDRH Class 1 This is the lowest power CDRH laser classification. This

class is considered intrinsically safe, even if all laser output

were directed into the eye's pupil. There are no special

operating procedures for this class.

CDRH Class 2 No additional software mechanisms are needed to conform

to this limit. Laser operation in this class poses no danger

for unintentional direct human exposure.

Cellular Digital Packet Data See CDPD.

Character A pattern of bars and spaces which either directly

represents data or indicates a control function, such as a

number, letter, punctuation mark, or communications

control contained in a message.

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