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Digital Electronics

Digital Electronics
Simplified form of the function f = (x+y+xy)(x+z)

 x+yz
 y+xz
 x+y
 x+xyz

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Digital Electronics
Why decoder is used in the digital electronics ?

 To convert coded information into non coded form
 To convert non coded information into coded form
 It is used to separate address bus and data bus
None of these

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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
NOT gates are to be added to the inputs of which gate to convert it to a NOR gate?

 AND
 NAND
 X-NOR
 OR

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Digital Electronics
If in a base b number system, 54/4=13, the base of the number is

 9
 8
 7
 6

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Digital Electronics
X + X.Y = ?

 X
 1
 Y
 0

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MORE MCQ ON Digital Electronics

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