1.

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 (a) NOT gate (c) NAND gate(b) AND gate(d) OR gate

Answer» 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
(a) NOT gate
(c) NAND gate
(b) AND gate
(d) OR gate


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