What does the term 'Dolby B' or'Dolby C' printed on tape recorders and – McqOptions

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1.	What does the term 'Dolby B' or'Dolby C' printed on tape recorders and other sound systems refer to ?
A.	Frequency modulated system
B.	Amplitude modulated system
C.	Noise reduction circuit
D.	Both DC and AC power can be used
Answer» D. Both DC and AC power can be used

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