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Digital Electronics

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

 1
 4
 3
 2

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Digital Electronics
Counter is a

  combinational circuit.
  none.
  sequential circuit.
  both.

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Digital Electronics
The binary number 110011.11 is equivalent to decimal number

 50.65
 50.75
 51.75
 51.65

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Digital Electronics
Which of the following codes is known as the 8421 code?

 ASCII code
 BCD code
 Gray code
 XS-3 code

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

 one
 two
 three
 four

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Digital Electronics
What will be Excess - 3 code for decimal ( 584 )?

 (1000 0111 1110).
  (0111 0100 1000).
 (1011 0111 1000).
  (1000 1011 0111).

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