What does "FM" found on radio receivers stand for?

Amplitude Modulation
Frequency Modulation
Fast Modulation
Microwaves
In telecom­mu­ni­ca­tions and signal pro­cess­ing, fre­quen­cy mod­u­la­tion (FM) is the encoding of in­for­ma­tion in a carrier wave by varying the in­stan­ta­neous fre­quen­cy of the wave.

Answers distribution

Amplitude Modulation
Frequency Modulation
Fast Modulation
Microwaves
answers
flagSouth Africa
0%
90%
9%
0%
11
flagAustralia
0%
90%
0%
10%
10
flagthe Philippines
10%
90%
0%
0%
10
flagCanada
0%
87%
0%
12%
24
flagIndia
5%
86%
2%
4%
99
flagthe United States
2%
83%
6%
5%
191
flagSpain
0%
70%
10%
20%
10
flagDenmark
0%
63%
9%
18%
11
flagthe Netherlands
2%
62%
11%
20%
35
flagthe United Kingdom
5%
57%
11%
25%
252
flagFrance
0%
54%
18%
22%
22
flagItaly
6%
53%
0%
40%
15
flagGreece
0%
50%
10%
40%
10
flagNorway
4%
45%
9%
36%
22
flagPoland
3%
43%
19%
31%
9082
flagGermany
2%
43%
17%
32%
85
flagUnknown
3%
28%
24%
43%
765
flagRepublic of Ireland
0%
27%
27%
44%
18

Gender

men35%
women35%
Amplitude Modulation
3%
2%
Frequency Modulation
35%
35%
Fast Modulation
20%
21%
Microwaves
40%
39%

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What does "FM" found on radio receivers stand for?
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Author: Paweł Kołodziejczyk
Illustration: Joe Haupt
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