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Digital Electronics

Digital Electronics
Which of the following is a digital device

 Regulator of a fan
 Resistance of a material
 Light switch
 Microphone

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

 AND
 OR
 NAND
 none of these

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Digital Electronics
Why decoder is used in the digital electronics ?

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

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Digital Electronics
XNOR followed by a NOT gate is equivalant to ________ gate

 XNOR
 NOR
 XOR
 OR

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Digital Electronics
The data bus width of a ROM of size 2048 × 8 bits is

 8
 12
 16
 10

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

 7
 6
 8
 9

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