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Digital Electronics

Digital Electronics
Counter is a

  both.
  none.
  sequential circuit.
  combinational circuit.

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Digital Electronics
In the boolean algebra, a variable has ________ different state(s)/value(s).

 4
 3
 2
 1

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Digital Electronics
The following code is not a BCD code.

 8421 code
 all of these
 Gray code
 XS-3 code

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Digital Electronics
A full adder has

 2 inputs, 2 outputs
 3 inputs, 2 outputs
 3 inputs, 1 output
 2 inputs, 1 output

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Digital Electronics
The decimal equivalent of hexadecimal number of 2A0F is

 10767
 17067
 17670
 17607

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

 11000110
 00111001
 00000001
 01000110

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