US Robotics x2/56K Instruções de Operação descarregar pdf (Página 102)

GLOSSARY

ROM

Read Only Memory. Permanent memory, not

user-programmable.

serial transmission

The consecutive flow of data in a single

channel. Compare to parallel transmissions

where data flows simultaneously in multiple

channels.

start/stop bits

The signaling bits attached to a character

before and after the character is transmitted

during asynchronous transmission.

terminal

A device whose keyboard and display are

used for sending and receiving data over a

communications link. Differs from a

microcomputer or a mainframe in that it has

little or no internal processing capabilities.

terminal mode

Software mode that allows direct

communication with the modem. Also known

as command mode.

throughput

The amount of actual user data transmitted per

second without the overhead of protocol

information such as start/stop bits or frame

headers and trailers. Compare with

characters per second.

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US Robotics x2/56K Instruções de Operação Página 102