Glossary
66
U
USB Universal Serial Bus. A specification to establish communication
between devices and a host controller.
UTC Universal Time, Coordinated. The International Atomic Time
(TAI) with leap seconds added at irregular intervals to
compensate for the Earth’s slowing rotation.
W
WRU Who are you? A command used in a telex message to request
an answer-back string (DE) from the recipient of the telex
message.
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