A researcher wants an alarm to sound when the temperature of air in his controlled research chamber rises above `40^@C` or falls below `20^@C`.The ala
A researcher wants an alarm to sound when the temperature of air in his controlled research chamber rises above `40^@C` or falls below `20^@C`.The alarm can be triggered by the output of
A. an AND gate
B. a NAND gate
C. a NOT gate
D. an OR gate
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Correct Answer - D
The alarm can be triggered by the output of an OR gate. For both the temperatures above `40^@C` and below `20^@C`.
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