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Digital Electronics

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

 7
 16
 15
 4

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

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Digital Electronics
Temperature variation is a/an

 None
 Digital quantity
 Either Digital or Analog quantity
 Analog quantity

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Digital Electronics
An exclusive NOR gate is logically equivalent to

 X-OR gate followed by an inverter
 complement of a NOR gate
 NOT gate followed by a NOR gate
 inverter followed by an X-OR gate

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Digital Electronics
In the boolean algebra, a variable has ________ different state(s)/value(s).

 1
 3
 2
 4

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Digital Electronics
A multiplexer is a combinational logic circuit used to perform the operation

 XOR-NAND
 AND-OR
 NOR-OR
 AND-AND

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