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Digital Electronics

Digital Electronics
The output of a gate is LOW when at least one of its inputs is HIGH. This is true for

 NAND
 AND
 NOR
 OR

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Digital Electronics
A half adder has

 2 inputs and 1 outputs
 1 input and 2 outputs
 1 input and 1 output
 2 inputs and 2 output

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Digital Electronics
Which of the following gates is known as a coincidence detector?

 X-NOR gate
 X-OR gate
 NAND gate
 AND gate

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Digital Electronics
Which of the following gates cannot be used as an inverter?

 AND
 NOR
 X-NOR
 NAND

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Digital Electronics
A graphical representation of a products in a truth table is called as

 Mapping
 Graphing
 T-Map
 K-Map

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Digital Electronics
A combinational circuit can be designed using only

 OR gates
 NOR gates
 OR and X-NOR gates
 AND gates

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