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Digital Electronics

Digital Electronics
A single flip-flop can be cleared (reset) to

 1
 0
 None
 Both A and B

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Digital Electronics
A NAND gate is called a universal logic element because

Any logic function can be realized by NAND gates alone
All the minization techniques are applicable for optimum NAND gate realization
Many digital computers use NAND gates.
It is used by everybody

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

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

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Digital Electronics
Counter is a

  both.
  sequential circuit.
  none.
  combinational circuit.

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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

 NAND
 NOR
 X-NOR
 AND

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Digital Electronics
Which of the following is 1’s complement representation of +57

 01000110
 00000001
 11000110
 00111001

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