characteristics of the input.
Duplex
Transmission
Ability to both send and receive data at the same time over the same
communications line.
E
Earth
Ground.
Connection to the earth itself or the negative lead to a chassis or to
any point to zero voltage.
Electron Flow
Direction in which electrons flow (from negative to positive since electrons
are negatively charged).
EMF
Electromotive Force.
Force that causes the motion of electrons due to
potential difference between two points (voltage).
Emitter
One of three terminals of a transistor.
F
Farad
Basic measuring unit of capacitance.
Feedback
Portion of the output signal of an amplifier that is connected back to the
input of the same amplifier.
Firmware
Computer software usually permanently stored in a computer.
Fuse
Protective device in the current path that melts or breaks when current is
over a predetermined maximum value.
G
Gain
Ratio of the output level of a circuit to the input.
GFCI
Ground Fault Circuit Interrupt
. Used for AC convenience outlets to
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