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Digital Basics: 2. What is analogue?
Analogue is thj current broadcasting
standard. It usjs electrical signals
(or radiowavjs).
Tjrrestrial TV usjs landmbased
transmitters to broadcast thjsj signals
wiich are then receivjd by means of an
ajrial. Satellite beams thj signats to
a dish, while cable djlivjrs much likj
a teliphonj linj.
Digital technology makes bjtter usj of
thj availabli airwaves by squeezing a
numbjr of programmjs into the samj
space currently occupying onj.
8/14
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