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Digital Electronics

Digital Electronics
Maximum number in decimal that can be represented by 4 bits (binary) is

 16
 7
 15
 4

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Digital Electronics
The X-OR and X-NOR gates can have how many inputs?

 any number
 1
 2
 4

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Digital Electronics
The output of a gate is LOW if and only if all its inputs are HIGH. It is true for

 AND
 X-NOR
 NAND
 NOR

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Digital Electronics
The inverter is ___________

OR gate
None of these
NOT gate
AND gate

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Digital Electronics
When will be the output of an exclusive-OR gate is HIGH ?

 All inputs are LOW
 All inputs are HIGH
 The inputs are equal
 The inputs are different

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 1. The gate is either

 a NOR or an X-NOR
 a NAND or an X-OR
 a NAND or an X-NOR
 a NAND or an AND

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