GLOSSARY - TM-11-7010-207-230055

TM 11-7010-207-23

GLOSSARY

A unit of measure for rate of data transmission. One baud

Baud

equals one bit per second.

A single occurrence of a symbol in a language employing two

Bit

distinct kind of symbols.

A device which converts digital data to a dc level signal

Converter

form so it can be transmitted. Also receives dc level

signals and converts them to digital data so that data can

be processed by a computer system.

Miniature rocker type switch used to modify configuration

Dip Switch

of circuit boards.

Duplex 4-wire transmission that permits simultaneous

Full Duplex

communication between two devices in both directions.

A duplex operation which can operate in either direction,

Half Duplex

but not simultaneously.

A point or device at which a transition between media,

Interface

power levels, modes of operation, etc., is made.

A mark is the opposite state of space.

Mark

An EIA standard for wiring interface to connect printers,

RS-232C

terminals and modems to a computer system.

Programs, routines, codes and other written information

Software

used to provide instructions to a computer.

A space is the opposite state of mark.

Space

Metallic lines which have no inductance (loading coils) to

Unloaded Lines

reduce transmission loss. Loading is not used on open

wire, since it tends to decrease transmission stability of

this type of circuit.

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