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Digital Electronics

Digital Electronics
A gate is inhibited when its inhibit input is at logic 1. The gate is

 NAND
 AND
 none of these
 OR

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Digital Electronics
An AND gate will function as OR if

Either of the inputs is “1”
All the inputs and outputs are complemente'
All the inputs are ‘0’
All the inputs to the gates are “1”

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Digital Electronics
A bubbled AND gate is equivalent to a

 X-OR gate
 OR gate
 NAND gate
 NOR gate

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Digital Electronics
The number of Boolean functions that can be generated by n variables is equal to

2n
2n
22n
2n-1

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Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 1 and 4
 1 and 3
 0 and 3
 0 and 4

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Digital Electronics
How many stable state/states present in flip-flop ?

 3
 1
 2
 4

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