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2 questions · 2006 · answers as per the UPSC key

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UPSC 2006 · Q85 · Science & Technology › Computer & Information Technology · Save

What is the Universal Product Code (UPC) adopted for?

(a) Fire safety code in buildings
(b) Earthquake-resistant buildings code
(c) Bar code
(d) Against adulteration eatables
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Answer: (c) Bar code
UPSC 2006 · Q86 · Science & Technology › Computer & Information Technology · Save

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
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Answer: (c) Noise reduction circuit