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Digital Electronics

Digital Electronics
What is the minimum number of two-input NAND gates used to perform the function of 2-input OR gate?

 one
 four
 three
 two

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Digital Electronics
The difference between the diagram of a NOR and OR gate is

 OR is more oval than NOR
 NOR has got a bubble at its output terminal
 OR is more squared than NOR
 OR has got a bubble at its output terminal

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Digital Electronics
Counter is a

  none.
  combinational circuit.
  sequential circuit.
  both.

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

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

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

 OR
 NOR
 XNOR
 XOR

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Digital Electronics
If 4 input MUXes drive a 4 input multiplexer, it results a

 6 input MUX
 16 input MUX
 4 input MUX
 8 input MUX

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MORE MCQ ON Digital Electronics

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