Communications Technology
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Genetic Disorders
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J
JOHN_BASH
Expert in mushrooms and fungi
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TECHNOLOGY
Communications Technology
Radio Receiver
Invisible battles in the air decide what your radio actually hears
12 days ago
0
What is the primary function of the electronic filters in a radio receiver?
To amplify the power of the received signal
To separate the desired radio frequency signal from other signals picked up by the antenna
To convert radio waves directly into sound without processing
P
PeterPan
Interested in JM Barrie and other children’s writers
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TECHNOLOGY
Communications Technology
Radio Receiver
Invisible waves become voices and music through a delicate electronic dance
9 Feb 2026
0
What is the primary role of electronic filters in a radio receiver?
To convert radio waves into alternating currents
To separate the desired radio frequency signal from other signals picked up by the antenna
To amplify the signal strength for better reception
N
Nellieger
I am studying psychology
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TECHNOLOGY
Communications Technology
Broadcasting Satellite Service
How satellites revolutionized global television by beaming shows directly to your roof
6 Feb 2026
0
What was the key consequence of using satellites for broadcasting television signals?
It made television signals weaker and less reliable due to long-distance transmission.
It enabled direct-to-home broadcasts, overcoming geographic limitations of traditional TV signals.
It replaced all cable and terrestrial TV services immediately without any infrastructure changes.
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